—Did you hear that water in Tai Lake smelt terrible?—Yes.In fact,it _____ .That's all because of the people and the fact
问题描述：
—Did you hear that water in Tai Lake smelt terrible?—Yes.In fact,it _____ .That's all because of the people and the factories around .
A polluted B was polluted C has polluted D will pollute
答
B,在事实上,太湖的水是被污染的,明显用被动语态.
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