Multiple choice

Directions: Find the sentence that has a mistake in grammar or usage and mark it as your answer. If you find no mistake, mark choice 4 as your answer.

  1. Here are four different varieties of the same species.

  2. The oldest one of these books are not for sale.

  3. This is the most exciting vacation I have ever had.

  4. No mistake
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

There is no subject-verb agreement. Oldest one is the subject of this sentence and is used as a singular noun; therefore, it requires the singular verb is.

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