— Can I smoke in this hall?— No you can’t. If you please go to the smoking room.A. shou

问题补充：

— Can I smoke in this hall?

— No, you can’t. If you , please go to the smoking room.

A. should

B. might

C. can

D. must

答案：

A. should

B. might

C. can

(答案→)D. must

解析：本题是结合省略句来考查情态动词的用法。根据句意“如果你非要抽烟的话，请到吸烟室去抽。”可知，本题最佳答案为D。该从句补全为If you must smoke, must意为“偏要，硬要”。