—I think everyone must do his best to pollution.—If so, there will be a good future for pe

发布时间：2020-08-22 05:34:05

—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

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解析：：此题重点考查选择项动词的含义，根据语境可知人人都要尽力阻止污染，只有这样人类才有美好的未来。故选stop。
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