◎ 题干
I met Tom yesterday.  I_____ him since we left school.          
[     ]
A. have not seen  
B. saw          
C. didn't see      
D. hadn't seen
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◎ 解析
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◎ 知识点
    根据魔方格专家分析,试题“I met Tom yesterday.I_____ him since we left school.[ ]A. have not seen B. saw C. didn't see D. hadn't seen…”主要考查了你对  【过去完成时】  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。