Hello!Everyone,my name is xxx.I study in xxx middle school.do you have any desirable job?I have one.Do you want to know what is it?Let me tell you.I want to be a policeman.Maybe you will ask why.Because my father is a policeman,too.He works late every day,but he is very happy.He think caughts the thieves is to defend the people's property and security .So thieves don't like he.Although the police the job sometimes are a little dangerous,but it very exciting.What about you?