-MustIfinishmyhomeworknow?-No,you      .Youmayhavearest...

问题详情：

-Must I finish my homework now?

-No, you       . You may have a rest first.

A. mustn’t      B. can’t        C. may not      D. needn’t

【回答】

D

知识点：情态动词

题型：选择题