why does the lake smell terrible?because large quantities of water ——

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
这里主语为什么是quantities?不应该是water吗?到底应该选哪个?
英语人气:601 ℃时间:2019-09-30 06:23:25
优质解答
Why does the lake smell terrible? Because large quantities of water has been polluted.为什么水会这么难闻?因为大量的水被污染了.首先水被污染,是被动排除A,然后large quantities修饰的是water,即water是真正的...
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