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-May I smoke here?-If you . choose a seat in the smoking section.A.should B.coul

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-May I smoke here?-If you . choose a seat in the smoking section.A.should B.coul

—May I smoke here?

—If you ________, choose a seat in the smoking section.

A.should B.could
C.must D.may

试题答案

C

解析