英语作文 If my dream comes true

My dream is to be a world famous racing driver.I drive racing car sinec seven years old.I join a lot of world racing matches.I think drive car is the most interesting things in my life.If my dream come true,i will buy a big house to my parents,i also will give some money to the children from SiChuan.I think help other people i wii be happy too.So it's my best wishes