—May I smoke here，please?—I am afraid you ．This is a non-smoking area．
#77581
A
can
B
can’t
C
may
D
may not
推荐题目
Martin hasn't got in touch with me for ages. He ________ my new cell phone number.
#62322
A
can't get
B
mustn't get
C
can't have got
D
shouldn't have got
I was really anxious about you. You______ home without a word.
#63295
A
mustn’t leave
B
shouldn’t have left
C
couldn’t have left
D
needn’t leave
You have finished most of the work, so you ______ start working so early tomorrow. You ______ come at 9:00.
#74558
A
can’t ; may
B
mustn’t ; can
C
needn’t ; may
D
couldn’t ; can
My computer ____start, no matter how hard I try.-lt might have crashed.
#62243
A
won't
B
shouldn't
C
mustn't
D
wouldn't
–Are you available at 3 tomorrow afternoon? --Sorry, I ________ a meeting at that time.
#62352
A
am having
B
will be having
C
will have
D
have