问题 选择题

_____ the environment is important for human beings.

A.Take care of

B.Taking care of

C.Took care of

D.Take the care of

答案

答案:B

考查动名词短语作主语,分析句子成分,这里需要填动名词做主语,谓语动词用单数形式。句意:保护环境对人类是很重要的。选B。

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