Charles Babbage is generally considered ________ the first computer. A.to inventB.inventing C.to hav

题目简介

Charles Babbage is generally considered ________ the first computer. A.to inventB.inventing C.to hav

题目详情

Charles Babbage is generally considered ________ the first computer.
A.to inventB.inventing C.to have inventedD.having invented
题型:单选题难度:偏易来源:不详

答案

C
被动语态后用不定式连接,根据句意用完成式。

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