my uncle has been in america or quite a new years. he used to live in pudong. he wanted to come back to his homeland very much. i~ast summer he came to shanghai and i took him to visit pudong. he said the streets became wider and the buildings became higher. i told him, "many people have moved into new and big {lats. it is very convenient to go shopping here." he couldn't {ind his old house. he said, "what great changes!" he decided to stay and spend the rest othis life in shanghai.