---who______it be that is knocking at the door? ---It_______be Father, but I’m not sure.
#62245
A
can, must
B
can, may
C
must, can
D
may, must
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The new law says that people_______ drive after drinking wine.
#75594
A
wouldn't
B
needn't
C
won't
D
mustn't
You _________ to the meeting this afternoon if you have something important to do .
#76135
A
needn’t to come
B
don’t need come
C
don’t need coming
D
needn’t come