【題目】We don't allow in the lecture hall, so you are not allowed here.

A. smoking;smoking B. to smoke;to smoke ;

C. smoking;to smoke D. to smoke;smoking

【答案】C

【解析】

試題分析：句意：在演講大廳我們不充許吸煙。但是你在這兒被允許吸煙。分析前句是考查短語allow doing sth. 后句是被動語態(tài)，意思你被允許去做什么。故選C。

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