Mark was afraid of being scolded，so he________say what he thought to his parents.
#62202
A
dare not to
B
doesn't dare to
C
dared not to
D
didn't dare to
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I’m sorry, Bill. I _________ the book to you last week, but I was so busy that I forgot to do so.
#63435
A
must have returned
B
could return
C
should have returned
D
might return
—Look! Is that Mr. Green?—It be Mr. Green. He has gone to Shanghai.
#75596
A
must
B
can
C
mustn’t
D
can’t
----May we leave the classroom now?----No, you . You to leave until the bell rings.
#75525
A
mustn’t; are allowed
B
can’t; aren’t allowed
C
don’t have to; are allowed
D
needn’t; aren’t allowed
-----Who ______ it be that hasn’t handed it in yesterday? ------It _______ be Bob. He handed it in yesterday.
#63423
A
can; mustn’t
B
must; can
C
can; can’t
D
may; mustn’t