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  • 更新 2022-09-03
  • 科目 英语
  • 题型 单选题
  • 难度 较易
  • 浏览 1939

The library's study room is full of students _______ for the exam.

A.busily prepared B.busy preparing  C.busyly prepare   D.are busily preparing
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Thelibrarysstudyroomisfullofst