为什么where do you come不对

为什么where do you come不对 Where do you come where are they come from为什么不对? where do you come from?where do you come foom? Where do you come form? Where do you come from? where do you come from Where do you come ___? where do you come from中where是疑问副词吧.为什么介词from不用去掉 where do you come from 中为什么加了from 而where do you live?中把in 省略 where do you come from句子成分分析, HANS:Where do you come from?