◎ 题干
What surprised me a lot was that he didn't know ________ the difference between "say" and "speak" lay.
[    ]
A. what  
B. that
C. where  
D. which
◎ 答案
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◎ 解析
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◎ 知识点
    根据魔方格专家分析,试题“What surprised me a lot was that he didn't know ________ the difference between "say" and "speak" lay.[ ]A. whatB. thatC. whereD. which…”主要考查了你对  【连接副词】  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。