The earth was so seriously polluted ________ we must take action to save the planet. A.as B.that C.s...
2022-09-03 17:23:34 118次 上海市2019-2020学年八年级上学期第一次月考英语试卷 单选题 反馈错误 加入收藏 正确率 : 100%
题目内容：
The earth was so seriously polluted ________ we must take action to save the planet.
A.as B.that C.so D.before
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