◎ 题干
—I think everyone must do his best to _______pollution.
—If so, there will be a good future for people of tomorrow.
A. keep                B. stop                  C. stand
◎ 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“—I think everyone must do his best to _______pollution.—If so, there will be a good future for people of tomorrow.A. keep B. stop C. stand…”主要考查了你对  【实义动词的单数第三人称形式】【实义动词】【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。