where did you go和where did you come from.一个加介词,一个不加,为什么,

where did you go和where did you come from.一个加介词,一个不加,为什么, Where did you come from? where did you go on vacation 为什么加on Where you coming from和where did you come from,还有where do you Where Did You Come From 歌词 where did you come from和where do you come from有什么区别? where did you come from 和where are you come from有什么区别? where have you come from 和 where did you come from 有什么区别 Where did you go Where did you go和Who did you go with为什么前者的go后不加介词,后者却又要加介 (where/go?)where did you go? 为什么"Where did you live?"的后面不加in,而"What house did you live 后面