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-May I smoke here? -If you , choose a seat in the smoking section. [ ] A. should

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-May I smoke here? -If you , choose a seat in the smoking section. [ ] A. should

-May I smoke here?

-If you _________, choose a seat in the smoking section.

[]A.

should

B.

could

C.

may

D.

must

试题答案

答案:D