Practice Test 1 - ACT English

20 questions. Answer them in any order, then submit to see your score and every explanation.

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1. For a science fair display, Priya built a small wind turbine and tested it with a box fan at three speeds. She measured voltage output and graphed the results, noticing that the jump from medium to high speed produced the largest increase. Her teacher suggested labeling the axes more clearly. Priya wrote that the turbine produced more better results after she adjusted the blade angle. Which choice makes the sentence most grammatically acceptable?
2. At this point, the writer is considering adding the following sentence: "Some ecologists predict that restored prairies could sequester enough carbon to offset the emissions of entire cities." Should the writer make this addition here?
3. The festival featured music, art and food from around the world.
4. Which choice makes the sentence most grammatically acceptable?
5. The writer wants to conclude the essay by emphasizing the labor involved in Foley art. Which choice best accomplishes this goal?
6. For number 6, which choice offers the best transition from the previous sentence?
7. The writer is considering deleting Sentence 6 in Paragraph 1 ("He believed the birds would be easy targets..."). Should the writer do this?
8. For the spring play, the director asked students to help paint the backdrop after school. Everyone on the crew, including the two new volunteers, bring their own brush so the group can work efficiently without waiting for supplies. Which choice makes the sentence most grammatically acceptable?
9. At the student-run café, the menu board lists smoothies, teas, and a rotating soup. The new batch of cookies, along with a tray of muffins, are displayed near the register so customers can grab something quickly between classes. Which choice makes the sentence most grammatically acceptable?
10. The team of scientists has published their findings in a leading journal. Which choice makes the sentence most grammatically acceptable?
11. During a heat wave, the city opened cooling centers in schools and community buildings. Volunteers distributed water and helped visitors find shaded seating. If the forecast worsened, the centers would stay open longer, and adding more staff. Which choice makes the sentence most grammatically acceptable?
12. At the town library, a volunteer team digitized old photographs and typed captions based on handwritten notes. Because some notes were smudged, the team double-checked names with local historians. The project leader reminded everyone to careful label each file so that later searches would be accurate. Which choice makes the sentence most grammatically acceptable?
13. Neither of the options are suitable for the project. Which choice makes the sentence most grammatically acceptable?
14. In order to improve efficiency, the company is planning future upgrades to their system.
15. Read the following two-paragraph passage. For years, the school newspaper was printed once a month and handed out during lunch. Students liked flipping through the pages, but the staff often rushed to meet the printer's deadline. If an event happened right after an issue went to press, the paper couldn't cover it until weeks later. As a result, the newspaper adviser encouraged the staff to keep the monthly print edition exactly the same. The staff also created a website where reporters could post updates within hours. Now, the print edition highlights longer features, and the website covers breaking news. Which choice provides the most effective transition at the beginning of the second paragraph?
16. Which choice makes the sentence most grammatically acceptable?
17. The new restaurant offers a variety of dishes, some spicy and others mild.
18. The committee reviewed the proposal, they approved it unanimously.
19. For the history project, students interviewed local veterans and compiled short biographies. Because the class worked in pairs, each interview produced two separate transcripts. The teacher asked everyone to submit the students' final drafts by Friday so she could assemble the booklet over the weekend. Which choice makes the sentence most grammatically acceptable?
20. When my brother started baking bread, he became obsessed with tiny adjustments. He weighed flour instead of measuring it by volume, tracked the dough's temperature, and timed each rise. His notes filled a small notebook, and he shared them with anyone who asked for a recipe. Which choice makes the sentence most grammatically acceptable?

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