many rivers have been made ___these years
many rivers have been made ___these years
A.dirty B.to dirty C .be dirty D.to be dirty
A.dirty B.to dirty C .be dirty D.to be dirty
英语人气：825 ℃时间：2020-03-30 08:44:58
优质解答
A 这些年来,很多河里的水都被污染了. 为什么不是D，能讲一下区别或原因吗，谢谢be made + 形容词这是固定搭配，记住才能会。
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