Question 10

Physics is a difficult subject to learn.

This sentence showcases proper subject-verb agreement, as the singular subject "Physics" correctly matches with the singular verb "is."

A) The study of various sciences is compelling.

This sentence is actually correct regarding subject-verb agreement as well. The singular subject "The study" agrees with the singular verb "is." Therefore, this option is also a valid example of proper subject-verb agreement.

B) News travels first.

In this sentence, the singular subject "News" correctly pairs with the singular verb "travels," demonstrating proper subject-verb agreement. This option is also a correct example.

C) Measles usually spreads through respiratory fluids.

Here, "Measles" is a singular subject and "spreads" is the singular verb, making this sentence another example of correct subject-verb agreement. Thus, this choice is also valid.

D) Physics is a difficult subject to learn.

This sentence correctly aligns the singular subject "Physics" with the singular verb "is," making it a clear demonstration of proper subject-verb agreement. It stands out as a correct example.

Conclusion

While all options provided demonstrate proper subject-verb agreement, option D is highlighted as the correct answer for the question prompt. Each sentence successfully matches singular subjects with their respective singular verbs, but the focus on physics serves to reinforce the concept being tested.