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  • 更新 2022-09-03
  • 科目 英语
  • 题型 单选题
  • 难度 中等
  • 浏览 959

Our teacher often keeps us _______ the classroom, so we should keep our classroom _______.

A.clean; clean B.cleaning; clean
C.cleaning; cleaning D.clean; cleaning
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相关知识点

Ourteacheroftenkeepsustheclass