◎ 题干
  He must have finished his homework for a long time, _____ he?
A.mustn’tB.didn’tC.needn’tD.hasn’t
◎ 答案
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◎ 解析
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◎ 知识点
    根据n多题专家分析,试题“ He must have finished his homework for a long time, _____ he?A.mustn’tB.didn’tC.needn’tD.hasn’t…”主要考查了你对  【therebe句型】  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。