how are you这句是何意啊

how are you doing?和how are you going?有何区别? how long are you in town for?何意 for表目的? How are you?和 Fine thanks!有何区别? how good are you ?是什么意思啊! how are you now? how are you my how friendly you are how old are you How are you?是什么意思? how beautiful you are how are you feeling? How dreadful you are