◎ 题干
— The teacher asked us ________________
A. What the bad effect of pollution are.
B. What were the bad effect of pollution.
C. What the bad effect of pollution were.
◎ 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 teacher asked us ________________A. What the bad effect of pollution are.B. What were the bad effect of pollution.C. What the bad effect of pollution …”主要考查了你对  【宾语从句】  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。