Practice Quiz

SAT Writing

Category - Improving Sentences

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Choose the answer which best rewords the italicized portion. If you think the original wording is best, choose option A.

If further efforts are not made, some scientist predict the total collapse of the ecosystem that supports monarch butterflies in Mexico.
  1. some scientist predict
  2. scientist predicts
  3. scientists predict
  4. some scientists predict
Explanation
Answer: D - The best choice is “some scientists predict”

The subject and verb must agree in a sentence. The verb “predict” does not agree with the subject “scientist.” The adjective “some” indicates more than one scientist, but not all of them. Setting aside “some” can change the meaning of the sentence. “Scientists” agrees with the verb “predict.”
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