—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
—Why does the lake smell terrible?—Because large quantities of water .A. have pollutedB. i
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解决时间 2021-11-30 06:24
- 提问者网友：遁入空寂
- 2021-11-29 09:37
最佳答案
- 五星知识达人网友：逐風
- 2020-06-16 05:50
A. have pollutedB. is being pollutedC. has been polluted(答案→)D. have been polluted解析：由语境可知水已经被污染了，要用现在完成时，排除B项；large quantities of...作主语时，谓语动词要用复数形式，排除C项；water与pollute之间存在动宾关系，故此处应用被动语态，排除A项。
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- 1楼网友：廢物販賣機
- 2021-02-20 10:18
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