Last Saturday morning, the twins went shopping their parents in a shoe shop. On their way home, the family an old man crossing the street slowly. Suddenly, a boy of about 16 was coming towards the old man fast, and he was on a yellow bike. He was so fast that he hit the old a man. The old man fell down and was badly The boy didn't stop but rode away. The twins and their parents helped the old man stand up and sent him to the nearest at once.