Physics _______ one of the most challenging subjects for many students.
9
readingWhich choice completes the text so that it conforms to the conventions of Standard English?
A
are
B
is
C
were
D
have been
Correct Answer: B
Choice B is the best answer. Academic subjects ending in -s take singular verbs.
Choice A is incorrect because "are" is plural. Choice C is incorrect because "were" is plural. Choice D is incorrect because "have been" is plural.