This city plans to ________ all high-polluting factories by the end of 2018 so as to improve its air...
2022-09-24 04:38:41 167次 江苏省2017-2018学年高一下学期期末考试英语试卷 单项填空 反馈错误 加入收藏 正确率 : 100%
题目内容：
This city plans to ________ all high-polluting factories by the end of 2018 so as to improve its air quality.
A. purchase B. promote
C. remove D. replace
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