In general，she is devoted to her studies，but she________be little naughty at times.
#62476
A
will
B
can
C
should
D
would
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It ________ have been her to leave her child alone and do whatever she wanted. She isn't such a person.
#62517
A
couldn't
B
mustn't
C
mightn't
D
wouldn't
You __________ tell anyone about this — it’s a secret.
#63512
A
needn’t
B
mustn’t
C
couldn’t
D
wouldn’t
You drink wine before driving, or the police will take your license away.
#77356
A
don’t have to
B
needn’t
C
mustn’t
D
may not