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  • 更新 2022-09-03
  • 科目 英语
  • 题型 单选题
  • 难度 较易
  • 浏览 2048

--- I called you last night, but nobody answered the phone.
--- Sorry, ________.

A.I must be sleep at that moment. B. I must have slept at that moment.
C.I must have been asleep at that moment. D.I must have fallen asleep at that moment.
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Icalledyoulastnight,butnobodya