------ 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
—Can you play the violin? —_____. But I can sing.
#74698
A
Yes, I do
B
No, I don’t
C
Yes, I can
D
No, I can’t.
It has been announced that all the students ____ put on masks before going to school in case they are infected with SARS virus.
#62892
A
shall
B
will
C
need
D
may
--- Must I hand in my report now? --- No, you ________. You still have some time.
#77494
A
shouldn’t
B
mustn’t
C
needn’t
D
can’t
─ Look, Stella is there!─ That ______ be her. She doesn’t like singing.
#75941
A
mustn’t
B
can’t
C
needn’t
D
won’t