the water company were instructed to keep the people from****to the polluted waterA exposing B being exposed C exposing D being exposing本题选择D.但是我不明白为什么用被动的,难道A不可以吗?
问题描述：
the water company were instructed to keep the people from****to the polluted water
A exposing B being exposed C exposing D being exposing
本题选择D.
但是我不明白为什么用被动的,难道A不可以吗?
答