My name is Zhang Pei .I have a friend. His name is Jack. He has a grandfather and a grandmother .they are seventy years old. They are at home. Jack's father works in a school. His mother is a doctor, Jack is a good student . They are very busy . They all get up early in the morning . Jack often helps his grandparents cook breakfast . There is a big garden and many young trees in front of his house. We can play games there .It's great.