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  • 更新 2022-09-03
  • 科目 英语
  • 题型 单选题
  • 难度 容易
  • 浏览 1927

It is only in the last sixty years that________any evidence that Loch Ness Monster might exist.

A.there has been B.there was C.it has been D.it had
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Itisonlyinthelastsixtyyearstha