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  • 更新 2022-09-03
  • 科目 英语
  • 题型 单选题
  • 难度 中等
  • 浏览 885

Activities of the Science Festival _____ model planes and model rockets are flown over the school grounds include the Inventions Show and the Essay Competition.

A.when B.which
C.whose D.where
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ActivitiesoftheScienceFestival