补全对话，每空一词。 A: Oh,dear, you 1 eat in the classroom. B: I'm sorry. I'm a new exchange student here. I don' t know the 2 . A: It doesn't matter. 3 careful next time. B: Can we eat in school? A: You can eat 4 the dining hall,but you can't eat in the classroom. B: I see.Anything 5 ? A: You can't arrive late 6 class. You can't listen 7 music in the classrooms or hallways. Especially you mustn't 8 in the hallways. You may hit others. B: I remember now. Thanks. My name is Keiko. 9 Australia. A: My name is John. Welcome 10 America.