单项选择题
[听力原文] W: Anything else, sir M: That’s all for now. How much do I owe you
A.Teacher and student. B.Saleswoman and customer. C.Husband and wife. D.Policeman and criminal.
A.Alcohol. B.Beer. C.Juice. D.Win.
A.Colleagues. B.Boss and secretary. C.Schoolmates. D.Roommates.