Where are you from为什么用are不用is

Where are you from为什么用are不用is where are you from?为什么用are不用do? ARE YOU FROM london 为什么用ARE不用IS Where are you from?为什么用“are”? WHERE ARE YOU FROM where are you from? where are you from where does your uncle live 为什么一个用are 一个用d Where are my pens?请问这句为什么不用IS而用are? Where (do) Mike and John come from.为什么要用do,不用does和are? From Where You Are 歌词 where are you come from? where are you from答话