One of these books are interesting.
Correct answer: B. One of these books is interesting.
- A. (A) One of these book is interesting.
- B. One of these books is interesting.
- C. (C) One of these books are interesting.
- D. (D) One of this book is interesting.
Explanation
In this sentence, "one" is the subject, and "books" is the object of the preposition "of." Since "books" is the plural noun, the verb "is" should agree with "one," which is singular. Therefore, the correct verb form is "is" rather than "are." Option (b) correctly uses the singular form of the verb "is" to match the singular subject "one."
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About Subject-Verb Agreement
Subject-verb agreement requires the verb to match the true subject in number and person, even when other words intervene. Questions cover collective nouns, compound subjects, indefinite pronouns, either and neither, relative clauses, quantities and inverted sentences, where proximity can falsely suggest the wrong verb.
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