◎ 题干
________________, I was so careless that it got loose and was hit by a car.
A.While I walked the dogB.While I walking the dog
C.While walking the dogD.While I am walking the dog .
◎ 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“________________, I was so careless that it got loose and was hit by a car.A.While I walked the dogB.While I walking the dogC.While walking the dogD.While I am …”主要考查了你对  【状语从句】【限制性定语从句】【主语从句】【同位语从句】  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。