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  • 更新 2022-09-03
  • 科目 英语
  • 题型 单选题
  • 难度 中等
  • 浏览 318

A lot of modern teaching equipment which will improve the school conditions to a large extent _______ to ten Hope Schools in South China.

A.were sent B.was sent C.have sent D.had been sent
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Alotofmodernteachingequipmentw