◎ 题干
       you did ?
— No, in fact, I didn't need to.
[     ]
A. What is that    
B. That is what  
C. Is that what  
D. Is what that
◎ 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“— you did ?—No, in fact, I didn't need to.[ ]A. What is that B. That is what C. Is that what D. Is what that…”主要考查了你对  【疑问代词】【表语从句】  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。