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  • 更新 2022-09-03
  • 科目 英语
  • 题型 单选题
  • 难度 中等
  • 浏览 257

--- Jack fell off the ladder yesterday, but he is all right now.
---What a lucky dog! He _______ himself badly.

A.could injure B.must have injured
C.should injure D.might have injured
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Jackfellofftheladderyesterday,