◎ 题干
I just wonder _______that upsets him so much.

[     ] 

A. what it is
B. what he does
C. how it is
D. why it does
◎ 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“I just wonder _______that upsets him so much. [ ] A. what it is B. what he does C. how it is D. why it does …”主要考查了你对  【宾语从句】【强调句】  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。