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  • 更新 2022-09-03
  • 科目 英语
  • 题型 单选题
  • 难度 中等
  • 浏览 1140

More and more teaching _______ are being developed across the globe, which are sure to _______to make classroom teaching more lively and interesting.

A.aids; help B.assistance; help C.aids; assist D.helps; aid
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Moreandmoreteachingarebeingdev