The air pollution is a serious in our country. Our government is trying to solve it. A. choice B. pr...
2022-10-16 03:14:49 62次 2018辽宁省阜新市中考英语试卷 单选题 反馈错误 加入收藏 正确率 : 100%
题目内容：
The air pollution is a serious in our country. Our government is trying to solve it.
A. choice B. program C. problem D. opinion
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