◎ 题干
The river______ are covered with trees is polluted.
A.of which the banksB.whose banksC.the banks of whichD.A,B,C are right
◎ 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“The river______ are covered with trees is polluted.A.of which the banksB.whose banksC.the banks of whichD.A,B,C are right…”主要考查了你对  【状语从句】【限制性定语从句】【主语从句】【同位语从句】  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。