◎ 题干
— Hi, Michelle, I can't find my e-dictionary. 
— Sorry, I _____ it. I guess I put it on the top shelf with my things. 

[     ]

A. had used
B. used
C. was using
D. am using
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◎ 解析
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◎ 知识点
    根据n多题专家分析,试题“—Hi, Michelle, I can't find my e-dictionary.— Sorry, I _____ it. I guess I put it on the top shelf with my things. [ ]A. had used B. used C. was using D.…”主要考查了你对  【一般过去时】  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。