How come和why的区别?

How come和why的区别? Why do you come to Shanghai 和 Why are you come to Shanghai 的区别! what ,how ,why的区别? “how soon will he come back ” 和“How soon he will come back?”的区别 why not,how about,what about的区别和用法. 你看看着道题---susan,will you please go and empty that drawer?-__________A what for B what is it C how is it D how comewhat for 和why for ,how come 怎么区别,这题答案是什么,你们回答的太搞笑了，how come 也有为什么的意 how come 和why这两句话有什么区别吗?我感觉表达的语气都差不多的!how come you are so bad?why you are so bad?PS:另外两句话里面是you are,还是are you?我怎么感觉疑问句应该是are you这样对吗?但是这样说好 when和how soon的区别when will you come back?还是how soon will you come back?或者二者有何区别 have come和had come的区别 come over和 come out的区别 come over 和come 的区别 come out 和come up的区别 come over 和 come by的区别 come up 和come about的区别 why do you like和how do you like的区别 come from和come ture come的区别 come和comes的区别 enter和come的区别