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  • 更新 2022-09-03
  • 科目 英语
  • 题型 单选题
  • 难度 容易
  • 浏览 910

George, the lonely tortoise, was said ________ on a tiny island of Pinta in 1971.

A.to have discovered B.to have been discovered
C.having discovered D.having been discovered
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George,thelonelytortoise,wassa