Devoted his whole life time to science,he finally succeeded 中为什么不用devoting?不是主动意思吗?

he devoted his whole life to ____ the children in the poor mountainous district.A.taughtB.teachesC.teachingD.teach Devoted his whole life time to science,he finally succeeded 中为什么不用devoting?不是主动意思吗? be devoted to和devote 先看2个句子:1 He was still devoted to the study of chemistry.2 he devoted himself to writing.为什么有devote to 和be devoted to ,他们有什么区别,什么时候用啊还有一句话是:He's devoted his whole life to 改错.1,what do you mean to say that?2,he has devoted his whole life benefiting mankind.请顺便解析为什么要这么改的原因 Li Lin spent the whole day in his room.It means he was in his room____ dayA.hole B.the all C.all D.all of devote有没有sb be devoted to...这种用法,意思是献身于...还有一个句子请大家也帮着看一下He's devoted his whole life to the protection of the rare animals. 这个句子中的's应该是has was is三个中的哪一个 1如果sb As we all know,the whole life of the doctor___studying the origin of cancerA has devotedB was being devoted toC was devoted toD has been devoted to He devoted all his life to help the poor.改错! Tom devoted all his time to playing football last term. As we all know,the whole life of the doctor____studying the origin of cancerA has devoted to B was being devoted to C was devoted to Dhas been devoted to选哪个,为什么?每个选项解释下? 1 （ ）to his search,he spared a weekend with us.A Devoting; B Devoted ;C Caught;D Lost 2 Mr Li made up his mind to devote all he could ( ) his oral English before going abroad.A improve; B to improve; C improving; D to improving3 He was sitting on Mrs.Li devoted the last years of her life primarily ____ writing her autobiography He used to () his teaching when he was young;a devote tob; be devoted toc;devoting tod;being devoted to Li Lei is washing his He has devoted himself in education all his life.all his life作什么成分? he has devotes his life to.和he devoted his life to.有什么区别吗 He occupied his whole afternoon reading book In his ( ) lifetime 填whole还是all