What are you going for vacation?和Where are you doing on vacation?两句的for和on可调换吗?Why?

what are you going? what are you going? What are you going. What are you going.【改错】 what are you going?就是going What are you going to do tomorrow? what are you going to take? what are you going to take是什么意思 what are you going to take? WHAT ARE YOU GOING TO EAT TODAY? What are you going to do today. What are you going to do tomorrow? what are you going to do造句 what are you going to do What are you going to do today? what are you going to do 快 What are you going to do_______the vase? What are you going to do