◎ 题干
— Can you describe _____ it happened?
— Yes, I was riding on my bike _____ a car knocked me down from behind.

A. when; as
B. how; as
C. how; when
D. how; while
◎ 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“— Can you describe _____ it happened? — Yes, I was riding on my bike _____ a car knocked me down from behind.[ ]A. when; as B. how; as C. how; when D. h…”主要考查了你对  【连接副词】【从属连词】  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。