If you         smoke, please go outside.
#62183
A
can
B
should
C
must
D
may
推荐题目
Johnny, you _________play with the knife, you_________ hurt yourself. 
#76255
A
won’t; can’t
B
mustn’t; may
C
shouldn’t; must
D
can’t; shouldn’t
Mary ______ my letter; otherwise she would have replied before now. 
#63420
A
has received
B
ought to have received
C
couldn’t have received
D
shouldn’t have received
--______ we clean the classroom at once? --No, you _____. You____ clean it after school.
#76555
A
Must, needn’t, may
B
Must, mustn’t, can
C
Shall, can’t, must
D
Need, mustn’t, may
I was really busy these days, otherwise I _______ to your birthday party last night.
#62994
A
came
B
did come
C
should have come
D
would have come