Believe it or not,the water we flush down our toliets _____ as fresh water!
A.start B.stsrts C.starting D.has started
人气：494 ℃ 时间：2020-05-14 20:24:31
解答
B.不管你信不信,我们用来冲厕所的水原本是干净的!
we flush down our toilets在句中是做the water的定语从句,主题句就是the water starts as fresh water.
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