题目内容
【题目】Don't throw away the waste paper. It needs _________ so that it can be reused.
A. to destroy B. destroying C. to collect D. collecting
【答案】D
【解析】试题分析:句意:别乱扔废纸。它需要收集起来再利用。need doing sth:需要被做某事。(该结构表示被动含义)故选D
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