It is hard to say what kind of person he is．Sometimes he is very friendly; at other times he ___ be very cold．
#62687
A
can
B
must
C
will
D
shall
推荐题目
—Must I finish my homework right now? -- No, you ___, you ___finish it tomorrow morning.
#76122
A
mustn’t, can
B
needn’t, must
C
don’t have to, may
D
can’t, have to
—Jack, _____ you behave yourself? You're no longer a kid．—Sorry, Daddy．It won't happen again．
#63299
A
mustn't
B
can't
C
should
D
would
John, you play with the knife, or you hurt yourself.
#76292
A
won’t; can’t
B
mustn’t; may
C
shouldn’t; must
D
can’t; shouldn’t
My friends __________ come to see me. I don’t want to go out in case they come.
#62267
A
can
B
must
C
may
D
will