◎ 题干
— I rang you at about nine,but there was no reply.
— Oh,that was probably________I was seeing the doctor.
[     ]
A. why  
B. when
C. what  
D. that
◎ 答案
查看答案
◎ 解析
查看解析
◎ 知识点
    根据魔方格专家分析,试题“— I rang you at about nine,but there was no reply.— Oh,that was probably________I was seeing the doctor. [ ]A. whyB. whenC. whatD. that…”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。