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  • 更新 2022-09-03
  • 科目 英语
  • 题型 单选题
  • 难度 较易
  • 浏览 904

--- Have you finished all your homework?
--- Of course. I ______ it before I went out to play football.

A.had finished B.have finished
C.finished D.was finishing
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Haveyoufinishedallyourhomework