I'm a Chinese girl. At school I have two good friends. Their names are Lucy and Lily. They are Americans. They are twins. They're eleven. They are good girls. Miss Gao is our English teacher. She is a good teacher. We like her very much. She likes us very much, too. We go to school at seven in the morning. At four o'clock we play games. At four thirty in the afternoon we go home. We are very happy. The twins are   _  .
an English girl an American girl American girls American girl