Difficulty: Medium

Average Score: 51%

Which sentence is grammatically correct?

Rationale

They're grammar and mathematics books.

This sentence correctly uses "they're," a contraction for "they are," which is appropriate in this context to describe the two books. The rest of the sentence is grammatically sound, clearly identifying the subjects and their categories.

A (The two books are over their.) YOUR ANSWER

This sentence incorrectly uses "their," which is a possessive pronoun. The phrase should instead use "there" to indicate the location of the books. The correct form would be "The two books are over there."

B (There my favorite textbooks.) YOUR ANSWER

The word "there" is misused here; it should be "they're," which is the contraction for "they are." The sentence needs to read "They're my favorite textbooks" to be grammatically correct.

C (Their very heavy and have graphic covers.) YOUR ANSWER

Similar to option A, "their" is incorrectly used as a possessive pronoun. The correct word should be "they're" to indicate "they are." Therefore, the sentence should say "They're very heavy and have graphic covers" to be grammatically accurate.

Conclusion

The sentence "They're grammar and mathematics books" is the only grammatically correct option among the choices provided. The other sentences fail due to incorrect usage of pronouns and contractions. Understanding these distinctions is crucial for proper grammatical structure, ensuring clarity and accuracy in written communication.

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