◎ 题干
How long _____ you live in Shanghai?

A. are
B. was
C. were
D. did
◎ 答案
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◎ 解析
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◎ 知识点
    根据魔方格专家分析,试题“How long _____ you live in Shanghai?[ ]A. are B. was C. were D. did …”主要考查了你对  【助动词的过去式】  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。