It's seven thirty in the morning. The students are coming into the classroom. A girl is opening the windows. Some of the students are laughing and talking. Some others are listening to them. Some are reading books. Some are doing their homework. Miss Zhao is standing behind the teacher's desks. She is writing on the blackboard. Sue and Lily are wearing their new dresses today. Ann is cleaning her desk. Mike is helping her. They all look happy. What are Bill and Jim doing? Oh, dear! They are still playing basketball on the playground. The students are   _
in the school at home in the boat on the playground