— May we leave the classroom now?— No, you _______. You _______ to leave until the bell rings.
#44633
A
mustn’t; are allowed
B
can’t; aren’t allowed
C
don’t have to; are allowed
D
needn’t; aren’t allowed
推荐题目
— Sixteen –year-olds should ____ to drive.
#44604
A
not be allowed
B
be allowed
C
not be allowed
D
be allow
Driving after drinking wine         in China.  
#44968
A
allows
B
doesn't allow
C
is allowed
D
isn't allowed
— John, you       go out to play until your homework       .  —OK, Mum.
#44766
A
must; finishes
B
can’t; is finished
C
can’t; has finished
D
needn’t; finishes