◎ 题干
--- I rang you at about ten, but there was no reply.  
--- Oh, that was probably _____ I was seeing the doctor.
[     ]
A. for       
B. why       
C. when    
D. how
◎ 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 rang you at about ten, but there was no reply. --- Oh, that was probably _____ I was seeing the doctor.[ ]A. for B. whyC. when D. how…”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。