I know them _____when they were youngA to have been friends B to be friends哪一个对啊?我觉得B对.

I don't know any of them I know them all by heart I know some of them 中为什么要用them? I don't know them.为什么接宾格them I want to know where I can find them I want to know ( )( )( )them I know them ll by heart 的意思I know them all by heart I don't know I should keep them. I do not know any of them?I do not know any of them=I don't know any of them? I know none of them means -----------------A I don not know all of them B I don not know any of them What can I do to let them know I love them back?的翻译? I know nothing about them except that they are Russians. But I don't know where t______ find them you can ask them与 I don 't know you can ask them与 I don 't know i don't know all of them 同义句要以i ____ know ____ of them 的形式改....... I know any one of them和I know any of them有什么不同的吗? you wound not know by looking at them that I water them every week . i know my fair share of 原句：I can't say that I know them all by name,but I know my fair share of them不理解but I know my fair share of you know them well .