题目内容
May I smoke here?
- If you ____, choose a seat in the smoking section.
A. should B. could C. may D. must
D.
解析:情态动词。Must 表示必须,意思是:如果你必须…。
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题目内容
May I smoke here?
- If you ____, choose a seat in the smoking section.
A. should B. could C. may D. must
D.
解析:情态动词。Must 表示必须,意思是:如果你必须…。