--- Can you ride a horse?  --- No, I ______.
#78126
A
needn’t
B
may not
C
can’t
D
mustn’t
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Lora,you ____________ leave all your books on the floor like this!
#62212
A
wouldn’t
B
mustn’t
C
needn’t
D
may not
I was really anxious about you. You______ home without a word.
#63295
A
mustn’t leave
B
shouldn’t have left
C
couldn’t have left
D
needn’t leave