what is love?they never know .even if they know,they never t

what is love?they never know .even if they know,they never t they,know,a,years,will,what,happen,never,hundred,in They don't know what--- They never know where they are going 同义句 beautiful morning.never mind what they said.they dont know h As they had never __such a problem __this,they didn't know.. They don‘t know what they can do.(同义句) They don‘t know what what if i never know We never know( )he is,They say he is a doctor We never know ( ) the old man is--They say he is a teacher Never use any s__ that you don't know whether they are clean 英文翻译问题：I don’t think they even know what exactly their relat