完形填空（15分）
Bill is an Australian __41___. He is twelve. He lives ___42___ his family in China. There are __43___ people in his family. His father John Smith, his mother Catherine and his little sister Abbey. He has a yellow dog. ___44___ name is Barbi. Look! Abbey is ___45__with Barbi. His father is mending his car. His mother is cleaning the house. What is Bill doing? Ah, he is doing __46__ homework in Chinese. He can’t __47___ Chinese well, but he loves Chinese very much. Bill’s ___48___ works in a middle school as an __49____ teacher. His mother works at a TV factory. Bill and his __50____ go to the same school.