一 When did the computer crash?一 This morning, while I the reading materials do

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1. (2012·福建) 一 When did the computer crash?
一 This morning, while I the reading materials downloaded from some websites.

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

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使用过本题的试卷

2012年高考英语真题试卷（福建卷）