Overloaded with work, school teachers now get far less sleep than they ______.
#62230
A
shall
B
should
C
may
D
might
推荐题目
Would you mind ____ here?  Sorry, I won’t. 
#76083
A
smoke
B
smoking
C
not smoking
D
smokes
 He ________ to the cinema last night, for he stayed with me.
#62699
A
mustn’t go
B
shouldn’t have gone
C
could not go
D
couldn’t have gone
–Mom, must I stay there the whole day?--No, you______. You ____ come back after lunch, if you like.
#74096
A
mustn’t, can
B
needn’t, must
C
needn’t, may
D
mustn’t, may