---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
You __________ tell anyone about this — it’s a secret.
#63512
A
needn’t
B
mustn’t
C
couldn’t
D
wouldn’t
You ________ touch the chemical, or you ________ get burnt.
#63118
A
can’t; will
B
mustn’t; will
C
may not; would
D
shouldn’t; should
 — 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