Charles Babbage is generally considered to _______ the first computer.[ ]A. to inventB. inventingC. to have inventedD. having invented-高中英语-魔方格

◎ 题干

Charles Babbage is generally considered to _______ the first computer.

A. to invent
B. inventing
C. to have invented
D. having invented

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◎ 解析

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◎ 知识点

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