The first computer was built in USA.为什么是用built而不是building?

when was the first computer （i ）in the world was built the first computer 1946 in.连词成句. but the first large,modern computer was built in 1948. was computer the what like first 连词成句 第一次世界大战英语怎么说The first w w还是WW one First International Computer. who w（ ) first prize in the competition at last? 小学英语连词成句.computer;window;the;the;cove;clean;me;with;then;first;and Do you know what was the first modern computer in the The first computer of the world is made by____.六年级上册寒假乐园上15页 the world has change greatly since the first computer was made 怎么翻译 first the computer the room is on floor 请连词造句. The computer room is ( ) the first floor选择题1(on) 2(at) 3(in) the,to,computer,the,screen,first,connect(.)（连词成句） You are playing computer games,aren't you?Yes,but this is the first time I ＿ computer games 1._____I saw the computer,I showed great interest in it.A.At first B.For the first time C.the first timeB、C有什么区别? one ,computer ,first 的意思 first为什么有时前面不加the,比如It's my first time to play computer games.