---Who’s the woman in red ? Is it Mrs. White?---It          be her. She went to Beijing yesterday.
#75588
A
mustn’t
B
can’t
C
shouldn’t
D
must
推荐题目
My brother is honest. He _____ such a thing.
#63425
A
might not do
B
can’t have done
C
can do
D
mustn’t have done
 — Can we leave the classroom now?— No, you ______. You ______ to leave until the bell rings.
#74363
A
mustn’t, are allowed
B
don’t have to, are allowed
C
needn’t, aren’t allowed
D
can’t, aren’t allowed