Question

【题目】—Must I clean the windows today?

—No, you ________．You can do it tomorrow.

A. can't B. needn't

C. mustn't D. shouldn't

Answer 1

【答案】B

【解析】

句意：-我必须今天擦窗户吗？-不，你不必。你可以明天做。A. can't 不能； B. needn't不必，不需要；C. mustn't 千万别，一定不要； D. shouldn't不应该。根据句意，故选C。