◎ 题干
---Did you hear that water in Tai Lake smelled terrible?
--- Yes.It ___________ because of people and factories.
A.  polluted     B. was polluted   C.has polluted              
◎ 答案
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◎ 解析
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◎ 知识点
    根据n多题专家分析,试题“---Did you hear that water in Tai Lake smelled terrible?--- Yes.It ___________ because of people and factories.A. polluted B. was polluted C.has polluted…”主要考查了你对  【连词成句】【主谓一致】  等知识点的理解和应用能力。关于这些知识点的“档案”,你可以点击相应的链接进行查看和学习。