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  • 更新 2022-09-03
  • 科目 英语
  • 题型 单选题
  • 难度 较易
  • 浏览 489


. I think you must be mistaken about seeing him at the theatre; I’m sure he _____ abroad all week.

A.is B.was
C.has been D.had been
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.Ithinkyoumustbemistakenabouts