题目内容
We don’t allow ____ in the office. But you are allowed ______ in the open air.
A. smoking; smoking B. to smoke; to smoke
C. smoking; to smoke D. smoke; smoking
C
解析:
略

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题目内容
We don’t allow ____ in the office. But you are allowed ______ in the open air.
A. smoking; smoking B. to smoke; to smoke
C. smoking; to smoke D. smoke; smoking
C
略