— Is Mr. Smith driving here?  —I’m not sure. He ______ come by subway.
#74932
A
may
B
shall
C
need
D
must
推荐题目
—Must I go there right now, mum?—No, you ____. You can go there tomorrow.
#75563
A
shouldn’t
B
can’t
C
mustn’t
D
needn’t
I was really anxious about you. You _______ home without a word.
#63535
A
mustn’t leave
B
shouldn’t have left
C
couldn’t have left
D
needn’t leave