A person is typing怎么翻译?

A person is typing怎么翻译? when is a person not a person?怎么答 a person is a person through other person.这句话怎么解释 Who is the boy ___ by the window?a、typeb、 typing c、 to be typing d、 typed this is a person when is a person not a person? A person without regrets is a nincompoop这怎么解释? a person is a person because of another person Sleep is very important for a person 怎么翻译? A person's attitude is very important to怎么翻译 there is no such person中怎么不加a He is a patient person.这句可以怎么翻译. He is a patient person. 这句可以怎么翻译. Happiness is not a person. no longer is a person He is a people person when is a person not a person 的意思 She is typing a letter.She is sweeping the floor.请问typing a letter.和sweeping the floor中间一个用a一个用the请问词用a?什么词用the?