The water companies were instructed not to expose people to ____ water any more.

The water companies were instructed not to expose people to ____ water any more.

题目
The water companies were instructed not to expose people to ____ water any more.
A.pollutes B.pollute C.polluting D.polluted
为什么选D
答案
expose .to后面接名词,polluted为形容词,修饰water,所以选D,说的是不要强迫人们暴露于污水中
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