–May I smoke in the room? --No, you______________. It’s a non-smoking room..
#87943
A
mightn’t
B
won’t
C
needn’t
D
mustn’t
推荐题目
Thank you for all your hard work last week.I don’t think we ______ it without you. 
#90551
A
can manage
B
could have managed
C
could managed
D
can have managed
You must be a writer, _____?
#90135
A
mustn’t you
B
are you
C
must you
D
aren’t you