1、19.Charles Babbage is generally considered ______ the first computers.A.to inventB.inventingC.to have inventedD.having invented请问这题为什么选C而不选A呢

1、19.Charles Babbage is generally considered ______ the first computers.A.to inventB.inventingC.to have inventedD.having invented请问这题为什么选C而不选A呢 As far as I know ,Charles Babbage is generally considered _____the first coputerA to inventB to have invented翻译 1,can not help to do sth 和doing sth有什么区别?请说详细一点 2.charles babbage is considered ＿the first computer.A.to invent B.to have invented 3.____by the beautiful of the nature,the girl decided to spend more there.A.attracted B.to be 不定式与动名词快被搞疯了!..告诉我一下动名词与不定式的区别和各自的用法吧..最好别copy能自己讲还有这几个例子帮忙看一下:1 Charles Babbage is generally considered to have invented the first computer.这 高一英语单选题(我要详解）1,when my neighbours came out to do morning exercise,i also_____.A joined B joined in C attended D took part in2,charles babbage is generally considered______the first computer.A to have invented B inventing C hav 1)Be sure to write to us,______?A.will you B.aren't you C.can you D.mustn't you2)Charles Babbage is generally considered______the first computer.A.to have invented B.inventing C.to invent D.having invented3)Tony is going camping with ______boys.A.lit Charles Babbage is generally considered ______ the first computer.A. to invent B. inventing C. to have invented D. having invented As far as I know,Charles Babbage is generally considered___the first computer.A.to invent B.to have inventedC.having invented D.inventing 英语翻译40.Charles Babbage is generally considered______the first computer.A.to invent B.inventing C.to have invented D.having invented 1.Charles Babbage is generally considered ___ the first computer.a.to have invented b.inventing c.to invent d.having invented怎么分析这道题的? 英语翻译Charles Babbage designed the first computer way back in the 1830's 怎么翻译 1830‘s 有这个表达方式吗 还是用1830s Charles Babbage is generally considered ____ the first computer.(MET93 34)A.to invent B.inventing C.to have invented D.having invented 为什么选C? Charles Babbage is generally considered to have invented the first computer.为什么要用to have不是has还有为什么要有to Charles Babbage is generally considered to have invented the first computer.这句话中的considered解释为什么?为什么用to have invented? we know that the first computer____by Charles Babbage.A.was invented B.is invented为什么选A.这不是一个客观事实嘛 Charles Babbage is generally considered _____the first computer .A.to have invented B.inventing C.to invent D.having invented 为什么选D,不能选ABC consider用法Charles Babbage is considered ______ the first computer.A.to inventB.inventingC.to have inventedD.having invented请问为什么选C? Charles Babbage is generally considered __ the first computer.A.to invent B.inventing C.to have invented D.having invented请高手给个确切的答案,再讲下其中的语法知识,