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  • 更新 2022-09-03
  • 科目 英语
  • 题型 单选题
  • 难度 中等
  • 浏览 251

He _______ busy yesterday, or he _______ you with your experiment.

A.was; had helped B.was; would have helped
C.had been; would have helped D.were; would have helped
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Hebusyyesterday,orheyouwithyou