◎ 题干
It is _______ he often fails in exam_______ makes his parents worried about him.
[      ]
A. because, that      
B. that, that        
C. 不填,  that    
D. what, that
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◎ 解析
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◎ 知识点
    根据n多题专家分析,试题“It is _______ he often fails in exam_______ makes his parents worried about him. [ ]A. because, thatB. that, thatC. 不填,that D. what, that …”主要考查了你对  【从属连词】【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。