---May we leave the classroom now?---No, you      . You       to leave until the bell rings.
#75743
A
mustn’t, are allowed
B
don’t have to, are supposed
C
needn’t, aren’t allowed
D
can’t, aren’t supposed
推荐题目
Their answers are exactly the same. One of them ___ from the other.
#62605
A
must copy
B
must have copied
C
should copy
D
should have copied
 You ______ to the meeting this afternoon if you have something important to do.
#76011
A
needn’t to come
B
don’t need to come
C
needn’t coming
D
didn’t need coming