---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
— Oliver looks a bit upset, did you tell him the bad news?— Yes, but I _____ him after his birthday party.
#63467
A
must have told
B
shouldn’t have told
C
needn’t have told
D
should have told
—Will you buy me a new iPod, Dad?—OK. You __________have one if you promise to take care of it.
#63381
A
might
B
must
C
could
D
shall
—I wonder why Mr Green hasn't showed up at the meeting yet.—I'm not sure，but he________in a traffic jam driving here.
#62838
A
could be stuck
B
might have been stuck
C
might be stuck
D
must have been stuck