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

题目简介

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

题目详情


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 discoveredD.having been discovered
题型:单选题难度:偏易来源:不详

答案

B

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