() 3. -We should make a contribution to the environment. --I agree with you. More and more trees need. A. protecting;to plant B. protect;plant C. protecting;to be planted D. protect;planted 题目和参考答案——青夏教育精英家教网—

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() 3. —We should make a contribution to the environment.

--I agree with you. More and more trees need.

A. protecting;to plant B. protect;plant

C. protecting;to be planted D. protect;planted

3.C

(make a contribution to doing sth.指“为做贡献”，more and more trees作主语，故应该用被动语态，故选 C. )

题目来源：2016年启东中学作业本九年级英语下册译林版 > 作业14 单元知识复习

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