Hi,I am Mike.I have a brother.He is four years old.Hi likes riding bikes. Today,He rides his bike on the street.Suddenly, a car runs over. Almost hit my brother.He is frightened.So he is cring.Then he find a policeman and the policeman come here. Then the policeman says' The next drive carefully！The man says' Sorry sir.After the policeman brother back home. Father and mother are very grateful to the policeman.