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  • 更新 2022-09-03
  • 科目 英语
  • 题型 单选题
  • 难度 较易
  • 浏览 526

The teacher is writing ____ a piece of chalk on the blackboard while the students are writing ____ink in exercise books.         

A.with, in B.in, with C.in, in D.with, with
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Theteacheriswritingapieceofcha