Difficulty: Easy

Average Score: 100%

Which of the following sentences demonstrates proper subject-verb agreement?

Rationale

Physics is a difficult subject to learn.

This sentence correctly uses the singular subject "Physics" with the singular verb "is," demonstrating proper subject-verb agreement. The subject and verb align in number, ensuring grammatical accuracy in the construction of the sentence.

A (The study of various sciences is compelling.) YOUR ANSWER

While this sentence appears correct at first glance, it actually contains a compound subject. "The study" is the singular subject, and "various sciences" is a prepositional phrase that does not affect the verb "is." However, the focus is on "study," which is singular and correctly agrees with "is."

B (News travels first.) YOUR ANSWER

This sentence is also grammatically correct, as "news" is a singular noun that appropriately uses the singular verb "travels." However, it does not demonstrate the complexity found in subject-verb agreement with a compound subject or multiple subjects, which the question seeks to highlight.

C (Measles usually spreads through respiratory fluids.) YOUR ANSWER

This sentence is accurate in its subject-verb agreement, as "measles" is treated as a singular noun with the singular verb "spreads." Yet, similar to option B, it lacks the illustrative complexity of subject-verb agreement that could be explored in greater detail.

Conclusion

While all options exhibit grammatical correctness, option D stands out by showcasing a clear example of subject-verb agreement with a singular subject and verb. Each of the other sentences, while correct, either simplifies the concept or contains elements that do not illustrate the intended focus on subject-verb agreement as effectively as option D. This clarity enables stronger understanding of grammatical principles essential for effective communication.

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