question_answer

Direction: In the following questions, a part of the sentence is underlined. Below are given alternatives to the underlined part at [a], [b], [c] which may improve the sentence. Choose the correct alternatives In case no improvement is needed your answer is [d].

He must know them in their most plausible form, isn't it?

A) isn't he?

B) mustn't he?

C) can't he?

D) No improvement