◎ 题干
According to a survey, homework is_____ students most often blame for their lack of sleep.
[     ]
A. what        
B. that        
C. which        
D. why
◎ 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“According to a survey, homework is_____ students most often blame for their lack of sleep.[ ]A. what B. that C. which D. why…”主要考查了你对  【连接代词】【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。