The monument was built in honor of the explorer who was believed _____ the river.A.to have discovere

题目简介

The monument was built in honor of the explorer who was believed _____ the river.A.to have discovere

题目详情

The monument was built in honor of the explorer who was believed _____ the river.
A.to have discovered   B.to have been discovered
C.to discover  D.having been discovered
题型:单选题难度:偏易来源:不详

答案

A
用不定式的完成式表示动作发生在(定语)从句谓语动作之前。

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