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  • 更新 2022-09-03
  • 科目 英语
  • 题型 单选题
  • 难度 较难
  • 浏览 512

We shouldn't have come north for Christmas vacation. If we _______, we wouldn't be stuck in the snow right now.

A.wasn't B.didn't C.hadn't D.weren't
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WeshouldnthavecomenorthforChri