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  • 更新 2022-09-03
  • 科目 英语
  • 题型 单选题
  • 难度 中等
  • 浏览 1126

They were________their invention.They thought they could invent more things to make our life easier.

A.angry with
B.proud of
C.strict in
D.tired of
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Theyweretheirinvention.Theytho