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  • 更新 2022-09-03
  • 科目 英语
  • 题型 单选题
  • 难度 容易
  • 浏览 2023

It _______ ten years since my sister ______ an English teacher.

A.has been, is B.is, became
C.have been, was D.is ,has become
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IttenyearssincemysisteranEngli