—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
From March 13th, 2013, anyone under the age of 14 ______ go into Disney’s US parks alone.
#74340
A
couldn’t
B
mustn’t
C
needn’t
D
mightn’t
Jack his pet dog every day. The dog must feel sad when he’s alone all day long.
#75030
A
should walking
B
should to walk
C
had better walk
D
had better to walk
It be the vocabulary that caused you the problem in the exercise because you know a lot of words.
#62951
A
may
B
couldn’t
C
should
D
needn’t
Mike ________ his car, for he came to work by bus this morning
#63189
A
can have found
B
could have found
C
can’t have found
D
mustn’t have found
— Must we get to the theater at 7:00?— No, you _______. The movie begins at 8:00.
#78148
A
can’t
B
must’t
C
needn’t
D
shouldn’t