of whom 的用法是?如题

of whom 的用法是?如题 请问who和whom的不同用法.如题. for whom的用法? Whom 的用法? whom的用法 who whom的用法 who和whom的用法The poor people are confront numerous serious health problems,the majority of who/whom are living at subsistence level.这里是用who还是whom?whom不是宾格吗,它在这后半句里做的是主语吧? he has 2 sons,___work as chemists.为什么用BOTH OF THEM,不用BOTH OF WHOM?选项是two of whom ,both of whom,both of which,all of whom.从这里面选，选什么，为什么？以上的BOTH OF THEM用法对吗？ 关于of whom与whoI have many friends,_____some are businessmenA.who B.of whom 选什么?为什么?,of whom 可不可以作主语,老搞不清它的用法 i have two brothers,both of whom are doctors.到底whom 怎么用啊 这里whom 不是主语了么..如题..有人说 both 是主语 whom 是宾语... whom和whole的用法 of和whom的用法,一 sth.is bad,and not of the standard.这个of是啥意思讲?二 I discuss with two person,A and B,to whom you talk with earlier.to whom的to,是接的谁?什么用法,要不直接放句首说不通吧? whom用法 定语从句里whose 、of which、of whom 的用法whose在什么情况下可以被of which、of whom 所替换of which、of whom 在定语从句中作什么成分,有什么固定的形式吗 who whom whose分别是什么意思?用法是? 介词for、to和of的用法?如题 英语to,of,for的用法和区别如题 kind of的用法与意思是什么?如题