Everyone in this country should work hard and do what they can against national smog.A. fight B. foughtC. fighting D. to fight 题目和参考答案——青夏教育精英家教网—

题目内容

15. Everyone in this country should work hard and do what they can against national smog.

A. fight B. fought

C. fighting D. to fight

15. D考查非谓语动词。句意：这个国家的每一个人都应该努力去尽他们自己所能去抵抗全,性的雾霾。分析句子结构可知what they can是作动词do的宾语，can后省略了实义动词do,后面是不定式作目的状语。故选D。

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