◎ 题干
—What happened to Bill?
—He ________ really fast when suddenly he ran into a parked car.
A.had runB.was running
C.has runD.has been running
◎ 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“—What happened to Bill?—He ________ really fast when suddenly he ran into a parked car.A.had runB.was runningC.has runD.has been running…”主要考查了你对  【过去进行时】【过去进行时的被动语态】  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。