题目内容
【题目】The building required ________by the end of the year.
A. to pull down B. pulling down
C. being pulled down D. pulled down
【答案】B
【解析】
考察非谓语动词.句意:这座大楼在今年年底之前被要求拆毁.当need, want, require, deserve 等动词以物做主语时,后接动名词的主动形式表示被动意义。故选B.
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