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  • 更新 2022-09-03
  • 科目 英语
  • 题型 单选题
  • 难度 中等
  • 浏览 1225

Not until he retired from teaching three years ago___having a holiday abroad

A.he had considered
B.had he considered
C.he considered
D.did he consider
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Notuntilheretiredfromteachingt