问题补充:
We don’t allow in the cinema. But you are allowed in the rest room.
A. smoking, smoking
B. smoke, smoking
C. smoking, to smoke
D. to smoke, to smoke
答案:
A. smoking, smoking
B. smoke, smoking
(答案→)C. smoking, to smoke
D. to smoke, to smoke
解析:句意:在电影院我们不充许吸烟。但是你被允许吸烟在休息室。分析前句是考查短语allow doing sth. 后句是被动语态,意思你被允许去做什么。故选C