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  • 更新 2022-09-03
  • 科目 英语
  • 题型 单选题
  • 难度 较易
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Year 3 Students in our school _______ all kinds of exercises every day in the past eight months.
A. kept busy doing              B. keep busy with doing 
C. were kept busy doing          D have been kept busy with

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Year3Studentsinourschoolallkin