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问题

I would never have believed it was pos


I would never have believed it was possible if I ______ it with my own eyes.

  • A didn't see
  • B don't see
  • C won't see
  • D hadn't seen
参考答案
参考解析:

     8.这是一个条件句。与过去已发生的事实相反,主句用过去将来完成时,条件从句用过去完成时选项D 是正确的。

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