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  • 更新 2022-09-03
  • 科目 英语
  • 题型 单选题
  • 难度 中等
  • 浏览 965

Liu Ming is said         abroad for one year before he came to teach in our school.

A.to have studied B.to study
C.to be studying D.to have been studying
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LiuMingissaidabroadforoneyearb