what are you doing what do you do,和what换成how4句都是什么意思
问题描述：
what are you doing what do you do,和what换成how4句都是什么意思
答
what are you doing?你现在正在干什么？
what do you do? 你做什么工作
how are you doing ? 你还好吗
how do you do 你好(问候语)
答
what are you doing 你在做什么
what do you do 你的工作是什么
how are you doing 写信时候会用到，你好吗？
how do you do 你好（回答也用how do you do）
答
what are you doing?你在干什么?
what do you do?你做什么工作
how are you doing
how do you do?(问候语)