he built a chemistry lab ____ himself when he was only ten.A.for B.by C.with D.of为什么?

he built a chemistry lab ____ himself when he was only ten.A.for B.by C.with D.of为什么? 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 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 He lived in a house____100 years ago.A built B was built He said a new hospital ( ) in two weeks.a.will be built b.would be built c.had built d.was built答案是什么,又是为什么呢? the professor teaches them chemistry.He gave us a lecture yesterday改同义句 chemistry chemistry --a large fund ,he can carry out his project now.A.Having built up B.Built up C.Had built up为什么要选A he himself buit a science lab和he built a science lab himself这句话对吗 35、 He knows ____of physics, and still less of chemistry. A、few B、a few C、little D、a little 填介词 He built a telescope ________ which he could study the skies. He built a telescope ________ which he could study the skies 为什么不能用by he built a telescope through which he could study the skies.为什么不能用that? 关系代词或关系副词连复合句.The old man is a professor.He teaches chemistry in a college. He knows little of mathematics,____of chemistry.A as well asB less thanC no less thanD no more than His anger ( )when he saw the thief.He nearly lost control of himself and hit him.A.set up B.was increasedC.was built upD.built up 填空：He lived in a house ____ 300years ago.选项A.building B.built ...