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  • 科目:英语
  • 题型:单选题
  • 难度:较易
  • 人气:800

If we _____ the tickets half a year ago, we would not be able to visit it on May Day now.

A.did not book B.had not booked
C.would not book D.would not have booked
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Ifwetheticketshalfayearago,wew