—When did the computer crash?—This morning，while I ________ the reading materials downloaded from some websites.(2012·福建)A．have sortedB．was sortingC．am sort-高中英语-n多题

◎ 题干

—When did the computer crash?
—This morning，while I ________ the reading materials downloaded from some websites.(2012·福建)

A．have sorted	B．was sorting
C．am sorting	D．had sorted

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◎ 解析

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◎ 知识点

根据n多题专家分析，试题“—When did the computer crash?—This morning，while I ________ the reading materials downloaded from some websites.(2012·福建)A．have sortedB．was sortingC．am sort…”主要考查了你对【一般现在时】，【将来进行时】，【过去完成进行时】，【过去将来时的被动语态】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。

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