①—May I smoke here?—No,you only do that in the smoking room.

来源：学生作业帮编辑：作业帮分类：英语作业时间：2024/05/21 08:28:52

①—May I smoke here?—No,you only do that in the smoking room.
A.can \x05\x05B.need \x05\x05C.mustn’t \x05D.couldn’t
请问答案是什么为什么
①—May I smoke here?—No,you only do that in the smoking room.

这道题应该选A,其实他省略了完整的回答
完整的句子应该是No,(you mustn’t )you can only do that in the smoking room.
但如果用may进行提问回答应该是这个样子的
may作可能讲时,The teacher may be in the house这样用can't 表否定；
may作可以讲时,May I go out to play for a little while 这样用mustn't表绝对不行

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