three of them 是否是名词词性,请说出理由

three of them 是否是名词词性,请说出理由 the three of them中the three of 和 them是同位语吗那这是什么用法 one in three of them is not three of them/the three of them有什么区别?最好举个例子, 应该是：“we introduce the three of them.”还是“we introduce three of them. Three of them (have)a book 是填has 还是have He has three sons ,and all of them are docHe has three sons ,and all of them are doctors.这个句子中为什么of后用的是them而不是they? 帮忙将下面的英语组成一句话．the.best.who.suims.three.of.hardest.them.who.of.works错了.是组成两句话.第一句.the.best.who.suims.three.of.第二句hardest.them.who.of.works I have three sisters,two of ( ) are teachers.答I have three sisters,two of ( ) are teachers.答案是whom,为什么不能用them? glasses是可数名词还是不可数名词啊既然是可数名词为什么要加a pair of啊 可以用them替代吗 They have four children,three of whom live abroad为什么是three of whom 而不是three of them she has been M in three of them. three-fifths of them _______ womenA is B are three of them are mine ,and ( ) are Tom's. three piece of后用名词的单数还是复数 lots of people 还是 a lot of people 是否都可以修饰?可以修饰,可数或是不可数?2 people 集合名词,有复数含义 ,它前面还可以用 two / three people 这样修饰、是否可以认为,是可数的 但用复数形式, 胶片 film 是可数名词吗?three rolls of film 这个地方的film 需要加S吗? You'll get ____ going and none will be left at home.A three of them B the three of them C some of them