------ 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
— Catherine, I have cleaned the room for you . — Thanks. You_______. I could manage it myself.
#63169
A
needn’t do
B
needn’t have done
C
mustn’t do
D
shouldn’t have done
If you _____the book, you ____ buy it right now, I think.
#78151
A
needn’t, needn’t
B
don’t need, don’t need
C
don’t need, needn’t
D
don’t need, needn’t to