◎ 题干
He didn't go to school because of his bad cold. 
[     ]
A. because his bad cold      
B. because he has a bad cold
C. because he had bad cold    
D. because he had a bad cold
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◎ 解析
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◎ 知识点
    根据n多题专家分析,试题“He didn't go to school because of his bad cold.[ ]A. because his bad cold B.because he has a bad coldC. because he had bad coldD.because he had a bad cold…”主要考查了你对  【状语从句】  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。