英语作文：when was a child ,I dreamed becoming a .

When I was a child,I dreamed becoming a policeman.I thought policeman is very rightful.To achieve my dream,I used to study hard and do more sports every day.When my mother told me the difficulty of being a policeman,I always asked myself if I could do this greatly.And I made a decision to read many books about law.Now,I'm older.But I still want to be a policeman.I know more about policeman ,and I have enough confidence to be a policeman.I'll try my best.