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The identity of the killer remained a mystery for the next fifty years.
The "identity of the killer" was unknown a while, so the use of the preposition "for" is correct, as it indicates the length of time was fully taken by the mystery of the killer's identity. The sentence is correct as written.
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No one will come to our defense but ourselves in our time of need.
The use of "ourselves" is actually correct in the sentence, as it refers to the previous use of "our" in the phrase "our defense;" therefore, the correct answer is to keep the word as "ourselves."
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As they walked into the wind, the girls all pulled their jackets tighter.
The sentence is structurally and grammatically correct just as it is. Every other answer choice actually makes the sentence grammatically incorrect.
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David brings it to himself first, then goes to John's to hand it over.
As it is written, the sentence is completely correct grammatically and structurally. Further, every other answer choice makes the sentence grammatically incorrect, confusing, or both. The correct answer choice is to leave the sentence as it is written.
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Select the best answer from the choices given.
The reason the soccer match was cancelled was not so much the incoming storm but the lack of competitors.
The original sentence is the most concise and effective.
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The pets in the classrom were beloved by all the students in the grade.
The sentence is perfectly correct as it is written in the question, and needs no changes to improve it. Additionally, all the other answer choices make the sentence grammatically incorrect or confusing. The correct answer is to leave the sentence unchanged.
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Replace the underlined portion with the answer choice that results in a sentence that is clear, precise, and meets the requirements of standard written English. One of the answer choices reproduces the underlined portion as it is written in the sentence.
Although I had not wanted to attend the jazz concert, I was soon covered in goose bumps as I listened to the beautiful music.
The sentence is best in its original form.
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Replace the underlined portion with the answer choice that results in a sentence that is clear, precise, and meets the requirements of standard written English. One of the answer choices reproduces the underlined portion as it is written in the sentence.
When you do research on the Internet, it is imperative that you evaluate each site; you must consider the date of the information, the reliability of the author, and the accuracy of the facts.
No change. This is the most concise, most correct answer.
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Bethany simply could not believe it when she was asked to join the city council; she had been waiting for an opportunity like this for years.
The sentence is best in its original form. This is a question testing your ability to make the right word choice. "Council" means committee.
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More recently, the trend reversed itself to come back to the original position.
The underlined portion is correct as is. While the sentence is somewhat awkwardly worded, the underlined portion is gramatically correct, and there is little that other answer choices do to improve the sentence.
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Replace the underlined portion with the answer choice that results in a sentence that is clear, precise, and meets the requirements of standard written English. One of the answer choices reproduces the underlined portion as it is written in the sentence.
Zany performers can make audiences laugh without having to be as clever as serious performers.
Although slightly awkward, the underlined portion is grammatically correct. The comparison needs to have both uses of the word "as," and to describe distinctly the quality being compared and what is being compared.
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Forcing the issue, the students brought up the teacher's overly long assignments.
The underlined section of the sentence is a dependent clause, meaning it defines the rest of the sentence, but is not able to stand alone. The phrase "Forcing the issue" is correct in its usage.
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Replace the underlined portion with the answer choice that results in a sentence that is clear, precise, and meets the requirements of standard written English. One of the answer choices reproduces the underlined portion as it is written in the sentence.
Children frequently want toys they have seen advertised on their favorite television shows.
The underlined portion of the sentence, while slightly awkwardly worded, is perfectly correct grammatically. All of the other answer choices have either an incorrect verb tense or a construction that muddles the meaning of the sentence.
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Replace the underlined portion with the answer choice that results in a sentence that is clear, precise, and meets the requirements of standard written English.
The law prevented both active wiretapping and snooping.
The key word in the sentence is "both." This indicates that the underlined portion holds two items, "active wiretapping" and "snooping." Thus, the use of "and" appropriately separates the two items, and no punctuation is necessary.
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Replace the underlined portion with the answer choice that results in a sentence that is clear, precise, and meets the requirements of standard written English. One of the answer choices reproduces the underlined portion as it is written in the sentence.
Rivers were once the key transportation method in civilization, but the paving of roads created concrete rivers across land masses.
The underlined portion of the sentence features a gerund, a present verb form that can be used as a noun. Thus, the phrase "the paving of roads" can appropriately be a subject in the phrase, and the sentence is correct as written.
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Replace the underlined portion with the answer choice that results in a sentence that is clear, precise, and meets the requirements of standard written English.
You and I will be the ones to go into the room first.
The appropriate use of the pronouns "you" and "I" together as the subject of the sentence is in the sentence as it is written. The correct answer is to leave it as "You and I."
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Hungry and tired, the group stopped under the tree by the river bank for the night.
The underlined phrase, although slightly awkward and over worded, is actually perfectly grammatically correct. As none of the "corrected" answer choices are grammatically correct, the unchanged form of the underlined portion is the correct answer.
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The massive effort to clean up the mess from the storm was a months long process.
While the underlined section of the sentence is rather wordy, and not perfectly stated, it is absolutely grammatically correct. More importantly, none of the other answer choices are grammatically correct. The best choice is to leave it as written.
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Replace the underlined portion with the answer choice that results in a sentence that is clear, precise, and meets the requirements of standard written English. One of the answer choices reproduces the underlined portion as it is written in the sentence.
Moving into the future, the party's leaders decided to abandon their unsuccessful strategy.
The underlined section does contain a number of punctuation marks and interesting wording, but it is entirely correct. No changes need to be made to the sentence.
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Trying to understand her students' issues, the teacher found ways to ask about their problems indirectly.
The sentence is absolutely correct as written, and needs no improvement. The various corrections all make the sentence incorrect, as "asks" does not work in an infinitive, "student's" refers to one student and contradicts "their" as mentioned later, "indirectly" is an adverb and not an adjective, and writing "try" makes the sentence unclear and a fragment.
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