Charles Babbage is generally considered the first computer. [ ] A.to have invent
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Charles Babbage is generally considered ________ the first computer.
[]A.to have invented
B.inventing
C.having invented
D.to invent
试题答案
答案:A
解析:本题考查consider一词的用法.consider表示“认为”时,后接不定式作补语,又因为to have invented这一动词不定式的完成式表示动作发生在谓语动词之前,故选A. |