Where are you going?What do you want?为什么一个用are 一个用do

Where are you going?What do you want?为什么一个用are 一个用do Where did you go?Where are you going 两句话除了时态不同,为什么一个用do 一个用a Where did you go? Where are you going ?两句话除了时态不同,为什么一个用do 一个 what do you go和where are you going分别 用going to ,going ,do ,what ,where ,when ,am ,is ,are ,i ,you 根据问句选答句 What are you going to do?Where are you going?How do what are you going to do?和 where are you going?是不是都可以用“I am Where are you going?What are you going to do?I'm going to th what are you going to do?上句中的what能不能换成where?为什么? i asked her where are you going and what are you going to do what are you going to do和where are you going的区别 What are you going to do?还有 where are you going?两句应该怎么答：