Someone is knocking at the door. It my sister. It's time for her to be back.
#75649
A
can’t be
B
may not be
C
must be
D
mustn’t be
推荐题目
--Do you think Jack will lend us a hand?--He is the last one to help others. He _____lend his hand, though.
#62966
A
can
B
must
C
should
D
might
What a pity! Considering his ability and experience, he ____ have done better.
#63040
A
need
B
must
C
might
D
can
My English-Chinese dictionary isn’t in my schoolbag. Where _________ I have put it?
#62692
A
can
B
must
C
should
D
would
——Dad, must I finish my homework today?——No, you . You may do it tomorrow.
#75801
A
needn’t
B
mustn’t
C
don’t
D
won’t
--- Listen! David is talking happily with his mother in the next room. --- It ______ be his mother. She has gone to Yunnan to be a volunteer doctor.
#77427
A
should
B
must
C
can’t
D
mustn’t