问题

If you ________ smoke, please go outside.[ ]
A: can
B: should
C: must
D: may
B: should
C: must
D: may
正确答案是:
同类题型
Have you known Dr. Jackson for a long time—Yes,since she ________ the Chinese Society.
Do you want to dance at the party—Sure. I __________ dance really well.
122 It was reported that Bin Laden inAfghanistan missed _____ and _____ again
Harsh ________ his words may be, they will do us a lot of good[ ]