Question

【题目】—____ I return the book now? ( )

—No, You ____. You can keep it for another two days.

A.Can; can

B.Can; needn't

C.Must; needn't

D.Must; mustn't

Answer 1

【答案】C

【解析】

句意：—我现在 ____还书吗？—不，你 ____。你可以再保存两天。根据否定回答，前句用must必须引导，否定回答用needn't不需要回答，故选C。