◎ 题干
__________along the quiet road at forty miles an hour,and then an old man suddenly started to cross the road in front of me.
A.DrivingB.I was driving
C.Having drivenD.When I was driving
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◎ 解析
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◎ 知识点
    根据n多题专家分析,试题“__________along the quiet road at forty miles an hour,and then an old man suddenly started to cross the road in front of me.A.DrivingB.I was drivingC.Having …”主要考查了你对  【现在分词的被动式】【现在分词】【不定式的被动式】【过去分词】  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。