------ May I smoke here?------ If you____, that's the smoking section over there.
#63312
A
should
B
could
C
may
D
must
推荐题目
—Happy birthday!— Thank you! It’s the best present I_________ for.
#63166
A
should have wished
B
could have wished
C
may have wished
D
must have wished
--Who’s the man over there?Is it Mr Black?----It _____be him.He’s much taller.
#75687
A
mustn’t
B
can’t
C
should
D
may
Whenever he worked until midnight, he drink some coffee to get refreshed.
#63548
A
could
B
should
C
must
D
would
—Can we leave the classroom now?—No, you _________. You _________ to leave until the bell rings.
#74081
A
don’t have to; are supposed
B
mustn’t; are allowed
C
needn’t; aren’t allowed
D
can’t; aren’t supposed
---Can I watch TV now? ---No, you .You________ do your homework first.
#76196
A
can; can
B
can’t ; must
C
can’t; can
D
must ; can