Conversational Spanish Quiz: Time Expressions And Sequencing
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Time Expressions And SequencingQuestion 1 of 20

María is planning her weekend activities. She says: "Primero voy a estudiar para mi examen. Después de estudiar, llamaré a mi hermana. Antes de salir con mis amigos el sábado por la noche, necesito terminar mi proyecto. El domingo por la mañana, antes de que lleguen mis padres, limpiaré la casa."

Based on María's plans, which activity will definitely happen between studying and going out with friends?

Calling her sister and completing her project
Cleaning the house and calling her sister
Only completing her project before Saturday night
Meeting with her parents and cleaning the house
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Conversational Spanish Quiz

Conversational Spanish Quiz: Time Expressions And Sequencing

Practice Time Expressions And Sequencing in Conversational Spanish with focused quiz questions that help you check what you know, review explanations, and build confidence with test-style prompts.

What this quiz covers

This quiz focuses on Time Expressions And Sequencing, giving you a quick way to practice the rules, question types, and explanations that matter most for Conversational Spanish.

How to use this quiz

Try each quiz question before looking at the correct answer. Use the explanations to review missed ideas, then come back to similar questions until the pattern feels familiar.

All questions

Question 1

María is planning her weekend activities. She says: "Primero voy a estudiar para mi examen. Después de estudiar, llamaré a mi hermana. Antes de salir con mis amigos el sábado por la noche, necesito terminar mi proyecto. El domingo por la mañana, antes de que lleguen mis padres, limpiaré la casa."

Based on María's plans, which activity will definitely happen between studying and going out with friends?

  1. Calling her sister and completing her project (correct answer)
  2. Cleaning the house and calling her sister
  3. Only completing her project before Saturday night
  4. Meeting with her parents and cleaning the house
Explanation: The sequence shows: 1) studying (primero), 2) calling sister (después de estudiar), 3) completing project (antes de salir... el sábado por la noche), 4) going out with friends. Both calling her sister and completing the project occur between studying and going out. Choice B incorrectly includes cleaning the house, which happens Sunday morning. Choice C misses the phone call. Choice D includes activities that happen after going out with friends.

Question 2

Elena describes her weekend plans: "El sábado por la mañana haré ejercicio. Más tarde, alrededor del mediodía, almorzaré con mi familia. Por la tarde, mientras mis padres descansan, iré de compras. Finalmente, por la noche, después de cenar, veremos una película juntos."

Based on Elena's timeline, during which part of Saturday will her parents most likely be resting?

  1. Early morning while Elena exercises and before the family lunch
  2. During the afternoon while Elena goes shopping independently (correct answer)
  3. Late evening after dinner while watching the movie together
  4. Around noon during the family lunch and meal preparation
Explanation: "Por la tarde, mientras mis padres descansan, iré de compras" explicitly states that Elena will shop while her parents rest in the afternoon. The use of "mientras" indicates simultaneity between her shopping and their resting. Choice A places resting too early when they're having lunch together. Choice C contradicts watching a movie together. Choice D places resting during an active family meal time.

Question 3

Fernando is organizing his study schedule: "Tengo tres exámenes esta semana. El lunes estudiaré matemáticas hasta las 10:00. Después estudiaré historia hasta medianoche. El martes, mientras repaso matemáticas por la mañana, mi compañero de cuarto estudiará conmigo. Por la tarde, antes de mi examen de historia el miércoles, repasaré una vez más."

When will Fernando's roommate join the study session according to this schedule?

  1. Monday evening while Fernando studies mathematics until 10:00 PM
  2. Tuesday afternoon before the Wednesday history exam review
  3. Tuesday morning during Fernando's mathematics review session (correct answer)
  4. Monday night while Fernando studies history until midnight
Explanation: When tackling Spanish reading comprehension questions about schedules and time, focus on identifying specific time markers and matching them precisely to the activities described. Looking at Fernando's schedule, you need to locate when his roommate ("mi compañero de cuarto") will study with him. The passage states: "El martes, mientras repaso matemáticas por la mañana, mi compañero de cuarto estudiará conmigo" (Tuesday, while I review mathematics in the morning, my roommate will study with me). This directly corresponds to answer choice C - Tuesday morning during Fernando's mathematics review session. Let's examine why the other options are incorrect: Choice A places the roommate on Monday evening during math study, but the passage shows Fernando studies alone on Monday ("El lunes estudiaré matemáticas hasta las 10:00" - no mention of the roommate). Choice B suggests Tuesday afternoon before the Wednesday history exam review, but Fernando reviews history alone during this time ("repasaré una vez más" uses the singular form). Choice D incorrectly places the roommate during Monday night's history study session, but again, Fernando studies alone on Monday. The key phrase "mientras repaso... mi compañero de cuarto estudiará conmigo" uses "mientras" (while) to show simultaneous actions, clearly indicating when the joint study session occurs. For Spanish reading comprehension, always identify time expressions first (lunes, martes, por la mañana, por la tarde), then match them to the specific activities and people mentioned. Pay attention to singular versus plural verb forms, which often reveal whether Fernando is studying alone or with others.

Question 4

Raquel explains her workout routine: "Cada martes y jueves corro por 30 minutos. Inmediatamente después de correr, hago ejercicios de estiramiento por 10 minutos. Mientras me estiro, siempre escucho música relajante. Una vez que termino todo, me ducho." How long does Raquel's complete exercise routine take on workout days?

  1. Exactly 40 minutes including running and stretching but excluding shower time (correct answer)
  2. At least 45 minutes including shower time and music listening periods
  3. Approximately 30 minutes since stretching happens while running simultaneously
  4. About 50 minutes total including all activities and transition time between
Explanation: The exercise routine consists of: 30 minutes running + 10 minutes stretching = 40 minutes total. Music listening happens "mientras me estiro" (during stretching), not as additional time. Showering happens "una vez que termino todo" (after the exercise routine ends), so it's separate. Choice B incorrectly includes shower time. Choice C incorrectly suggests simultaneity between running and stretching. Choice D adds unnecessary transition time not mentioned.

Question 5

Cristina describes her study habits: "Cuando tengo mucha tarea, primero hago una lista de todo. Luego, mientras escucho música instrumental, trabajo en las tareas más difíciles. Después de terminar las difíciles, hago las fáciles rápidamente. Finalmente, antes de acostarme, repaso todo una vez más." What does Cristina do simultaneously with her most challenging work?

  1. She makes a comprehensive list and organizes her workspace efficiently
  2. She prepares for bed and does a final review of completed work
  3. She quickly completes easy assignments and reviews everything thoroughly
  4. She listens to instrumental music while working on difficult assignments (correct answer)
Explanation: This question tests your ability to identify simultaneous actions in Spanish descriptive text. When reading passages about routines or processes, look for temporal connectors like "mientras" (while) that indicate actions happening at the same time. Let's trace through Cristina's study routine step by step. She says: "Luego, mientras escucho música instrumental, trabajo en las tareas más difíciles" (Then, while I listen to instrumental music, I work on the most difficult assignments). The key word "mientras" directly connects listening to instrumental music with working on difficult tasks, showing these actions occur simultaneously. Answer A incorrectly combines her first step (making a list) with organizing workspace, which isn't mentioned. These also happen before, not during, her challenging work. Answer B confuses her final steps—preparing for bed and reviewing happen after completing all assignments, not simultaneously with difficult work. Answer C mixes two separate phases: she does easy assignments after finishing difficult ones, and reviews everything at the very end as distinct steps. Answer D correctly identifies that Cristina listens to instrumental music while working on difficult assignments, as explicitly stated with "mientras escucho música instrumental, trabajo en las tareas más difíciles." When tackling Spanish comprehension questions about sequences or routines, focus on temporal markers like "primero" (first), "luego" (then), "mientras" (while), "después de" (after), and "finalmente" (finally). These words are your roadmap to understanding when actions occur relative to each other.

Question 6

Valeria explains her work schedule: "Siempre llego a la oficina antes de las 9:00. En cuanto llego, reviso mis emails por 30 minutos. Mientras leo los emails, mi asistente prepara mi café. Después de terminar con los emails, tengo reuniones hasta mediodía. Una vez que termine la última reunión, almuerzo." If Valeria arrives at 8:45 AM, when will she start her meetings?

  1. At exactly 9:15 AM after spending 30 minutes reviewing emails (correct answer)
  2. Around 9:30 AM depending on coffee preparation and email completion
  3. At 9:00 AM since she always starts meetings at the same time
  4. At 8:45 AM immediately after arriving since emails can wait until later
Explanation: Valeria arrives at 8:45, immediately reviews emails for 30 minutes (8:45-9:15), then starts meetings. "En cuanto llego, reviso mis emails por 30 minutos. Después de terminar con los emails, tengo reuniones" establishes this sequence. Choice B adds unnecessary uncertainty about timing. Choice C ignores the email review requirement. Choice D contradicts "en cuanto llego" and the established sequence.

Question 7

Carmen explains: "Siempre que tengo un examen importante, estudio por lo menos tres días antes. Esta vez, como el examen es el viernes, empezaré a estudiar el martes por la noche." What does Carmen's timeline reveal about her study strategy?

  1. She studies exactly three full days but starts Tuesday night for Friday
  2. She always studies three days minimum but her timeline shows only two days
  3. She typically studies three days but will study four days this time
  4. She studies three days minimum and Tuesday night allows three study periods (correct answer)
Explanation: "Por lo menos tres días antes" means at least three days before. Starting Tuesday night for a Friday exam allows for: Tuesday night, Wednesday, and Thursday - meeting her minimum three-day requirement. Choice A suggests exactly three days. Choice B incorrectly counts only two days. Choice C suggests four days, which would require starting Monday night.

Question 8

Patricia says: "Antes de que salga el sol, ya estaré corriendo. Mientras corro, escucharé música. Después de correr por una hora, regresaré a casa. Una vez que me duche, desayunaré." What will Patricia be doing at sunrise?

  1. She will be starting her run just as the sun rises
  2. She will already be running and listening to music simultaneously (correct answer)
  3. She will be finishing her shower and preparing breakfast
  4. She will be returning home after completing her one-hour run
Explanation: "Antes de que salga el sol, ya estaré corriendo" means she'll already be running before sunrise. "Mientras corro, escucharé música" indicates these happen simultaneously. So at sunrise, she'll be mid-run listening to music. Choice A suggests she starts at sunrise. Choice C places her much later in the sequence. Choice D assumes her run ends at sunrise.

Question 9

Ricardo is planning his Saturday: "Me levantaré a las 7:00 para ir al gimnasio. Después de hacer ejercicio por una hora, regresaré a casa alrededor de las 9:00. Mientras desayuno, leeré las noticias en mi tablet. Luego, desde las 10:30 hasta las 12:00, limpiaré la casa. Finalmente, después de almorzar, iré al parque con mi perro."

According to Ricardo's schedule, what activity will he be doing at 10:45 AM?

  1. He will be finishing breakfast while reading news on his tablet
  2. He will be exercising at the gym for about 45 minutes already
  3. He will be having lunch before going to the park with his dog
  4. He will be in the middle of his house cleaning session (correct answer)
Explanation: When you encounter Spanish reading comprehension questions about schedules and time, focus on extracting specific time markers and matching them to the activities described. This requires careful attention to time expressions and sequence words. Let's trace Ricardo's timeline to find what he's doing at 10:45 AM. He wakes up at 7:00, exercises for an hour at the gym, then returns home around 9:00. While eating breakfast, he reads news on his tablet. Then, "desde las 10:30 hasta las 12:00, limpiaré la casa" (from 10:30 until 12:00, he will clean the house). Since 10:45 falls directly within this 10:30-12:00 window, he'll be cleaning house. This confirms answer D is correct. Now let's examine why the other options are wrong. Choice A suggests he's finishing breakfast and reading news at 10:45, but the passage indicates breakfast happens earlier, right after his 9:00 return from the gym. Choice B places him at the gym for 45 minutes at 10:45, but his one-hour workout occurs much earlier, starting after his 7:00 wake-up time. Choice C has him eating lunch before the park, but lunch ("después de almorzar") happens after the house cleaning session ends at 12:00. Pay special attention to Spanish time expressions like "desde... hasta" (from... until) and sequence words like "después de" (after) and "luego" (then). These create a clear chronological framework that helps you pinpoint exactly when each activity occurs within the schedule.

Question 10

Ana describes her daily routine: "Todas las mañanas, en cuanto me despierto, reviso mi teléfono. Luego me ducho. Mientras me visto, escucho las noticias. Antes de salir de casa, siempre desayuno. Una vez que llego al trabajo, reviso mis emails inmediatamente."

According to Ana's routine, when does she listen to the news in relation to other morning activities?

  1. After checking her phone but before showering completely
  2. Simultaneously while getting dressed after her shower (correct answer)
  3. Before eating breakfast but after arriving at work
  4. While checking emails once she reaches her workplace
Explanation: The sequence is: wake up → check phone (en cuanto) → shower (luego) → listen to news while dressing (mientras me visto) → eat breakfast (antes de salir) → arrive at work → check emails (una vez que). "Mientras me visto" clearly indicates simultaneity with getting dressed, which logically follows showering. Choice A places it too early. Choice C misplaces it entirely. Choice D confuses it with a different activity.

Question 11

Isabel describes her morning confusion: "Ayer me desperté tarde. Mientras me duchaba rápidamente, mi café se enfriaba en la cocina. En cuanto salí de la ducha, el café ya estaba frío. Antes de salir corriendo al trabajo, lo calenté en el microondas." What caused Isabel's coffee problem?

  1. She forgot to make coffee until after her shower was completely finished
  2. She made coffee too early the night before and it was cold by morning
  3. She left the coffee maker on which caused it to overcook and cool
  4. She made coffee before showering but the shower took too long (correct answer)
Explanation: Reading comprehension questions in Spanish require you to carefully track the sequence of events and identify cause-and-effect relationships from the text evidence. Let's trace Isabel's morning timeline: "me desperté tarde" (she woke up late), then "Mientras me duchaba rápidamente, mi café se enfriaba en la cocina" (while she showered quickly, her coffee was cooling in the kitchen). The key phrase "se enfriaba" (was cooling) tells us the coffee was already made and sitting there getting cold during her shower. When she finished - "En cuanto salí de la ducha, el café ya estaba frío" (as soon as I got out of the shower, the coffee was already cold) - she had to reheat it. This confirms she made coffee before showering, but her rushed shower still took long enough for the coffee to cool completely. Choice A incorrectly suggests she forgot to make coffee until after showering, but the text clearly states coffee was cooling "mientras me duchaba" (while she showered). Choice B misinterprets the timeline entirely - this all happened in one morning, not overnight. Choice C introduces details not mentioned in the passage about the coffee maker malfunctioning or overcooking. Choice D correctly identifies that Isabel made coffee first, then showered, but the shower duration allowed the coffee to cool down completely. For Spanish reading comprehension, focus on time indicators like "mientras" (while), "en cuanto" (as soon as), and "antes de" (before) - these signal the sequence of events and often hold the key to understanding cause-and-effect relationships.

Question 12

Javier is describing his cooking process: "Primero, caliento el aceite en la sartén. Mientras se calienta, corto las verduras. En cuanto el aceite esté listo, agrego las cebollas. Después de que las cebollas se vuelvan transparentes, añado el resto de las verduras. Finalmente, después de cocinar todo por diez minutos, sirvo la comida."

According to Javier's method, what happens immediately after the onions become transparent?

  1. He heats the oil while cutting the remaining vegetables simultaneously
  2. He adds the rest of the vegetables and continues cooking (correct answer)
  3. He serves the food after waiting exactly ten more minutes
  4. He cuts more vegetables while the onions finish cooking completely
Explanation: "Después de que las cebollas se vuelvan transparentes, añado el resto de las verduras" clearly states that adding the remaining vegetables happens immediately after the onions become transparent. Choice A describes earlier simultaneous actions. Choice C skips the step of adding remaining vegetables. Choice D suggests cutting more vegetables, but all vegetables were already cut while oil heated.

Question 13

Andrés describes his weekend project: "El sábado empezaré a pintar la habitación temprano por la mañana. Mientras se seca la primera capa, limpiaré mis pinceles y prepararé la segunda capa. En cuanto esté seca, aplicaré la segunda capa. Después de que termine completamente, moveré los muebles de vuelta a su lugar."

What will Andrés do while waiting between paint coats?

  1. He will move furniture back and prepare for the next day's work
  2. He will apply the second coat immediately without waiting for drying
  3. He will clean brushes and prepare materials for the second coat (correct answer)
  4. He will start painting a different room while the first room dries
Explanation: This question tests your ability to extract specific details from a Spanish passage while understanding temporal expressions and sequence of events. When reading comprehension questions ask about timing or sequence, focus on temporal markers like "mientras" (while), "en cuanto" (as soon as), and "después de que" (after). The passage clearly states: "Mientras se seca la primera capa, limpiaré mis pinceles y prepararé la segunda capa" (While the first coat dries, I will clean my brushes and prepare the second coat). This directly answers what Andrés will do during the waiting period between coats. Choice C correctly identifies these two activities: cleaning brushes and preparing materials for the second coat. This matches exactly what the text describes. Choice A incorrectly combines two separate actions from different parts of the passage. Moving furniture happens "después de que termine completamente" (after everything is completely finished), not during the drying time, and there's no mention of preparing for the next day. Choice B contradicts the passage entirely. Andrés specifically says "En cuanto esté seca, aplicaré la segunda capa" (As soon as it's dry, I'll apply the second coat), which implies waiting for drying, not applying immediately. Choice D introduces information not mentioned anywhere in the passage. There's no reference to painting other rooms or any work outside the single room project described. When tackling Spanish reading comprehension, always match your answer to specific phrases in the text rather than making inferences. Temporal expressions are key clues that tell you exactly when each action occurs in the sequence.

Question 14

Miguel explains his travel plans: "Salgo para el aeropuerto a las 6:00. Mi vuelo sale a las 8:30, pero necesito llegar por lo menos dos horas antes. Mientras espero en el aeropuerto, trabajaré en mi laptop. Una vez que aborden mi vuelo, guardaré la computadora."

What timing issue exists in Miguel's plan based on his stated requirements?

  1. He leaves too early and will arrive three hours before his flight
  2. He needs to arrive by 6:30 but leaves at 6:00 from home
  3. His departure time doesn't account for travel time to the airport (correct answer)
  4. He should board earlier since he needs two hours minimum at airport
Explanation: Miguel needs to be at the airport by 6:30 (two hours before 8:30 flight) but plans to leave home at 6:00. This doesn't account for travel time from home to airport. Choice A incorrectly calculates arrival time. Choice B states the correct arrival time but misses that 6:00 is his departure from home. Choice D misunderstands that boarding time is set by the airline.

Question 15

Diego says: "Cada vez que llueve, mi perro se esconde. Ayer, mientras llovía, estaba buscándolo por toda la casa. Finalmente lo encontré después de que paró la lluvia." What pattern does Diego describe about his dog's behavior?

  1. The dog hides only during heavy rainstorms but not light rain
  2. The dog consistently hides whenever it rains and emerges afterward (correct answer)
  3. The dog hides before rain starts and stays hidden until evening
  4. The dog hides randomly and rain is just a coincidental factor
Explanation: "Cada vez que llueve" establishes a consistent pattern - every time it rains, the dog hides. The example confirms this: during yesterday's rain (mientras llovía), Diego was searching because the dog was hidden, and found him after rain stopped (después de que paró). Choice A adds intensity qualifications not mentioned. Choice C suggests the dog hides before rain starts. Choice D dismisses the clear causal relationship established by "cada vez que."

Question 16

Sofía describes her evening routine: "Generalmente, después de cenar, lavo los platos inmediatamente. Mientras los lavo, mi esposo seca y guarda todo. Tan pronto como terminamos, nos sentamos a ver televisión. Antes de acostarnos, siempre revisamos que las puertas estén cerradas." What happens between finishing the dishes and going to bed?

  1. They immediately check the doors and then watch television together
  2. They watch television first, then check doors before going to bed (correct answer)
  3. They check doors while watching television at the same time
  4. They go directly to bed after checking doors are locked securely
Explanation: The sequence is: finish dishes → watch TV (tan pronto como terminamos) → check doors before bed (antes de acostarnos). "Tan pronto como" indicates immediate transition to TV watching, and "antes de acostarnos" places door checking just before bedtime. Choice A reverses the order. Choice C suggests simultaneity not indicated. Choice D omits watching television.

Question 17

Tomás explains his evening plans: "Primero iré al supermercado después del trabajo. Mientras compro los ingredientes, mi novia preparará la mesa en casa. En cuanto llegue a casa, empezaremos a cocinar juntos. Antes de que lleguen nuestros invitados a las 8:00, habremos terminado de cocinar."

Based on Tomás's timeline, what must be completed before 8:00 PM?

  1. Shopping, table setting, cooking together, and guest arrival preparation (correct answer)
  2. Only the grocery shopping and driving home with ingredients
  3. Table preparation and cooking, but shopping can continue until 8:00
  4. Everything including welcoming guests and starting dinner service
Explanation: "Antes de que lleguen nuestros invitados a las 8:00, habremos terminado de cocinar" indicates all cooking must finish before 8:00. The sequence shows shopping → table setting (simultaneous with shopping) → cooking together must all be complete before guests arrive. Choice B only includes shopping. Choice C incorrectly suggests shopping can continue. Choice D includes guest activities that happen at 8:00, not before.

Question 18

Roberto is coordinating a group project: "Antes de que empecemos la presentación, necesitamos que todos lleguen. Mientras esperamos, podemos revisar nuestras notas. Después de que termine la presentación, iremos a celebrar. Pero primero, en cuanto llegue el último miembro, comenzaremos."

What must happen immediately before the group can begin their presentation?

  1. Everyone must arrive and they must finish reviewing their notes completely
  2. The last member must arrive, which triggers the immediate start (correct answer)
  3. They must complete their celebration plans and review notes thoroughly
  4. All members must arrive and the celebration must be organized first
Explanation: "En cuanto llegue el último miembro, comenzaremos" indicates immediate action upon the last person's arrival. While "antes de que empecemos" mentions everyone needing to arrive, "en cuanto" specifies the precise trigger moment. Choice A incorrectly includes finishing note review as a requirement. Choice C mentions celebration planning, which happens after. Choice D incorrectly includes celebration organization as a prerequisite.

Question 19

Laura is coordinating a group project: "Tan pronto como termine mi parte del trabajo, se la enviaré a Roberto. Él no puede empezar su sección hasta que reciba la mía. Mientras tanto, Sandra estará trabajando en su parte independiente. Una vez que Roberto y Sandra terminen, podremos presentar el proyecto completo." If Laura takes 3 days, Roberto takes 2 days, and Sandra takes 4 days, what is the minimum total time needed?

  1. Nine days, because all three parts must be completed sequentially according to the dependency chain
  2. Seven days, because Sandra's independent work determines the timeline while Roberto waits for Laura's completion
  3. Five days, because Roberto must wait for Laura, but Sandra works independently and finishes simultaneously (correct answer)
  4. Six days, because Roberto and Sandra can coordinate their timing to finish exactly when needed
Explanation: This question tests your ability to analyze temporal relationships and dependencies expressed in Spanish while applying project management logic. The key is understanding which tasks can run in parallel versus those that must wait for others to complete. Laura's statement reveals the project structure: Roberto depends on Laura's completion ("no puede empezar su sección hasta que reciba la mía"), while Sandra works independently ("trabajando en su parte independiente"). This creates two parallel tracks: Laura→Roberto (3+2=5 days) and Sandra alone (4 days). Since both tracks must finish before the final presentation, the minimum time equals the longer track. The Laura-Roberto sequence takes 5 days, while Sandra's independent work takes 4 days. Since Sandra finishes earlier, the project completes when Roberto finishes on day 5. Therefore, answer C is correct: five days total, with Sandra finishing simultaneously as the dependency chain concludes. Answer A incorrectly assumes all work is sequential, ignoring that Sandra works independently ("mientras tanto"). This would only apply if Sandra also depended on Roberto's completion. Answer B misidentifies Sandra's timeline as the limiting factor, but 4 days plus Roberto's dependency creates 7 days—this miscalculates by treating Sandra as the bottleneck. Answer D suggests coordination can optimize timing to 6 days, but no coordination can accelerate the fixed Laura→Roberto sequence. When analyzing Spanish texts describing project timelines, identify dependency words like "hasta que" (until) versus independence indicators like "mientras tanto" (meanwhile) to map parallel versus sequential workflows.

Question 20

Carlos is organizing a surprise party for his brother. He tells his friend: "La semana que viene, el martes por la tarde compraré las decoraciones. Al día siguiente por la mañana temprano, antes de que llegue mi hermano del trabajo, las colocaré en casa. Luego, esa misma noche, cuando él entre por la puerta, todos gritaremos '¡Sorpresa!'" If today is Sunday, what temporal relationship exists between buying decorations and the actual surprise party?

  1. The decorations will be purchased exactly twenty-four hours before the surprise party begins
  2. The decorations will be purchased approximately thirty hours before the surprise party begins (correct answer)
  3. The decorations will be purchased on the same day as the surprise party occurs
  4. The decorations will be purchased exactly forty-eight hours before the surprise party begins
Explanation: Carlos plans to buy decorations 'el martes por la tarde' (Tuesday afternoon) and the party happens 'esa misma noche' referring to Wednesday night when his brother comes home from work. From Tuesday afternoon to Wednesday evening is approximately 30 hours. A is incorrect because 24 hours would be from Tuesday afternoon to Wednesday afternoon. C is wrong because the decorations are bought Tuesday, but the party is Wednesday night. D is incorrect because 48 hours would be two full days, but it's only about 30 hours from Tuesday afternoon to Wednesday evening.