Edison built a science himself.himself 在这里做的是什么成分?是by himself的缩写形式吗?如题~帮忙分析下.还想请问下by oneself中的by可以省略吗?上面题目打错了 应该是Edison built a science lab himself

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 Edison edison Edison built a science himself.himself 在这里做的是什么成分?是by himself的缩写形式吗?如题~帮忙分析下.还想请问下by oneself中的by可以省略吗?上面题目打错了 应该是Edison built a science lab himself Edison is a well-known American inventor. 完形填空悬赏高分,急!Edison is a well-known American inventor. He was taught by his mother when he was a child. Later he learned things (1) _ himself by reading and experimenting. He built a lab fo Edison was the first scientist to build a modern research and development centreEdison was the first scientist _____a modern research and development centre1.to build 2.built3.to be building4.having built Thomas Edison was a famous American inventor edison is a famous american （ ）《science》 by the time 区别Thomas Edison __ already ___a chemistry lab for himself by the time he___tenA.has,built,was B.had,built,was C.would,build,was D.was,building,wasHe'll be a professor by the time he _____ forty five .A.is going to be scien museum 怎样造句 Edison is a great inventor or Edison was a great inventor 20.I know some inventions of .A.Edisons B.Edison’s C.Edison D.Edisons’ a pipeline of built hotels （ ）A bridge_____last years.A.has been built B.is being built C.was built tell me something about Thomas Alva Edison Thanks a lot thomas edison was a great american inventor 完形填空 edison spent a lot of time ___the experiment Do you want to be a _______(science) like Edison