◎ 题干
— Daniel must have lost his job in that unemployment crisis, ____ he?
— I don't think so. Yesterday I saw him working together with his colleagues.
[     ]

A. didn't
B. doesn't
C. mustn't
D. hasn't

◎ 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“— Daniel must have lost his job in that unemployment crisis, ____he? — I don't think so. Yesterday I saw him working together with his colleagues. [ ]A. did…”主要考查了你对  【反意疑问句】  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。