We don’t allow in the officeBut you are allowed in the rest room．A. smoking; smokingB. t

问题补充：

We don’t allow in the office．But you are allowed in the rest room．

A. smoking; smoking

B. to smoke; to smoke

C. smoking; to smoke

D. to smoke; smoking

答案：

A. smoking; smoking

B. to smoke; to smoke

(答案→)C. smoking; to smoke

D. to smoke; smoking

解析：考查allow的用法：allow doing允许做某事，allow sb to do允许某人做…，句意是：我们在办公室不允许抽烟，但你可以被允许在休息室抽烟。选C。