--Why does the lake smell terrible? ---Because large quantities of water ______. A.have polluted B.i...
2022-12-20 06:55:44 147次 2014届陕西省高二上学期期末考试英语试卷(解析版) 单项填空 反馈错误 加入收藏 正确率 : 100%
题目内容:
--Why does the lake smell
terrible?
---Because large quantities of water ______.
A.have polluted B.is being
polluted
C.has been
polluted D.have been
polluted
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