— Be quiet, the head teacher Mr. Gu is coming.— Don’t worry. It _____ be him. Mr. Gu is much fatter.
#75618
A
mustn’t
B
may not
C
needn’t
D
can’t
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You ______ park here! Don’t you see “No Parking” beside you?
#63201
A
needn’t
B
mustn’t
C
won’t
D
couldn’t
Hurry up, or you ______ catch the train. 
#62829
A
needn’t
B
mustn’t
C
can’t
D
shouldn’t