---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
(2013·辽宁，31)Harry is feeling uncomfortable.He________too much at the party last night.
#62495
A
could drink
B
should drink
C
would have drunk
D
must have drunk
—To make our city more beautiful, rubbish into the river. —I agree.
#78182
A
needn’t be thrown
B
mustn’t be thrown
C
can’t throw
D
may not throw
It was playing video games that took the boy too much time that he have spent learning．
#62362
A
could
B
must
C
might
D
ought to
She is a quiet girl at school，but sometimes she _____ be very naughty.
#62791
A
should
B
would
C
can
D
will
(2013·高考四川卷)—Why are your eyes so red? You________have slept well last night.—Yeah，I stayed up late writing a report.
#62468
A
can’t
B
mustn’t
C
needn’t
D
won’t