补全对话A：Oh,dear.You _____ eat in the classroom.B：I'm sorry.I'm

补全对话
A：Oh,dear.You _____ eat in the classroom.
B：I'm sorry.I'm a new exchange student here.Idon't know the ______.
A：It doesn't matter._____ careful next time.
B：Can we eat in school?
A：You can eat _____ the cafeteria（咖啡店）,but you can't eat in the classroom.
B：I _____ .Anything else?
A：You can't arrive late _____ class .You can't listen _____ music in the classroom or hallways.Especially（特别,尤其）,you mustn't ______ in the hallways .You may hit others.
B：I remember now.Thanks.My name is Keiko.I'm _____ Australia.
A：My name is John.Welcome _____ America.