◎ 题干
— Have you finished the book?  
— No. I've read up to _________ the children discover the secret cave.
A. which      
B. what      
C. that        
D. where
◎ 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“— Have you finished the book? — No. I've read up to _________ the children discover the secret cave. [ ]A. which B. what C. that D. where …”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。