◎ 题干
Everyone should _______________ the environment.
A.make a contribution to protectB.make contribution to protecting
C.contribute in protectingD.make contributions to protecting
◎ 答案
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◎ 解析
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◎ 知识点
    根据n多题专家分析,试题“Everyone should _______________ the environment.A.make a contribution to protectB.make contribution to protectingC.contribute in protectingD.make contributions …”主要考查了你对  【动词短语】  等知识点的理解和应用能力。关于这些知识点的“档案”,你可以点击相应的链接进行查看和学习。