Question

【题目】—May I put the rubbish in the big box?

—No, you________do that.I'll put my books in it.

A.needn'tB.don't have toC.mustn't

Answer 1

【答案】C

【解析】

句意：——我能把垃圾放在大箱子里吗？——不，你不能那么做。我要把我的书放在里面。

考查情态动词。needn't不需要；don't have to不必；mustn't不行。may表允许时，否定回答用mustn't。故选C。