Much effort has been taken to improve the _______of people's life in our country. A. surface B. surv...
2022-10-11 11:29:43 169次 人教版九年级上册英语 unit14 第1课时（SectionA 1a-2d）测试卷 单选题 反馈错误 加入收藏 正确率 : 100%
题目内容：
Much effort has been taken to improve the _______of people's life in our country.
A. surface B. survey C. standard D. degree
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