Pollution has become a serious problem in almost all the big cities of the wo

游客2024-07-19  8

问题    Pollution has become a serious problem in almost all the big cities of the world. City people are becoming more and more worried about how they can  (11)   pollution. They are also concerned about whether the government is doing enough to  (12)   the e

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答案 get rid of

解析 这里需要的是谓语动词,意为“摆脱,解决”。
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