Look at the sign! It says “No Smoking!” You ________ smoke here. It’s dangerous.
#74948
A
mustn’t
B
ought not to
C
needn’t
D
don’t have to
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—____ I swim here?—I’m sorry. Children ____ swim alone here..
#74302
A
Must, can’t
B
May, must
C
Can, mustn’t
D
Can’t, can
You _ to the meeting this afternoon if you have something important to do.
#76786
A
needn’t to come
B
don’t need come
C
don’t need coming
D
needn’t come