He has built a career throwing light on the darkest secrets of the universe,Please translate

He has built a career throwing light on the darkest secrets of the universe,Please translate （ ）A bridge_____last years.A.has been built B.is being built C.was built He has made a neat paths and built a bridge over a pool.这里的has 可不可以改成 was啊,也就是He was made a neat paths and built a bridge over a pool. Do you know when it __?A,built B,was built C,has been built he takes good caree of Lisa.翻译成中文 he has made neat paths and has built a wooden bridge over a pool. 并列句and后面的has可以省略吗? By 2011 the library_____.A.would been built B.had been built C.has been built D.have been built ( )Another new shopping mall____last month nar my house.A.built B.was built C.has been built D.is built He has made neat paths and has built a wooden bridge over a pool.的句子结构,就是主谓 主谓宾 主系表 主谓宾宾补等 He has made neat paths and has built a wooden bridge over a pool.新概念第二册这句话为什么用现在完成时 the bridge over the Hongshui River ＿last year A.built B.was built C.has built D.is build The old palace _ nearly 800 years ago.A.was building B.was built C.has built D.is built 选择Look!Abig bridge___over the river.A.be built B.has been built C.is being built Thomas Edison ____ already ____ a chemistry lab for himself by the time he ____ ten.A.has…built…was B.had…built…was C.would…build…was D.was…building…is The factory（）in 1958.It has a long history. A.was built B.is built C.will be built D.built A new shopping mall____near my home in five years.A.has been built B.is built C.was built D.will be built 选哪个为什么 A new library （ ）in our university last year.A.built B.is built C.was built D.has been built The student’s ____ was to write a book report.A.appointment B.assignment C.agreement D.achievement .When was the house A.build B.has built C.built D.has been built His father ____since he lost his job three months ago.A.had been unemployed B.was un