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  • 更新 2022-09-03
  • 科目 英语
  • 题型 单选题
  • 难度 容易
  • 浏览 932

The old couple have been married for 40 years and never once ___________ with each other.

A.they had quarreled B.they have quarreled
C.have they quarreled D.had they quarreled
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Theoldcouplehavebeenmarriedfor