. — Why does the Lake smell terrible? —Because large quantities of water______. A. has polluted B. h...
2023-01-04 23:10:47 175次 福建省2009-2010学年高一下学期期中考试英语试题 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.
has polluted B. have
been polluted
C.
has been polluted D.
is being polluted
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