英语语法：You do this for what purpose? 请问这是一个什么问句?for后面怎么可以接what

what do you do for What can I do for you?这句话怎么翻译 what do you for fun 和what do you do for fun有什么区别? what do you have for What do you need for... What do you ask for? What do you do for a living?为什么what后面还会有一个do,做助动词么,但是后面已经有一个 What do you what for break fast? What can I do for you?I ( )hat .括号里只能填一个词,请问填什么? what do you do for fun?怎么翻译 What do you do for Spring Festival?怎么回答? What is the weather like in this season?What do you do for f