单项选择题
[听力原文] M: Good morning. I’d like ten stamps, please. W: That’s 50 cents a stamp.
A.50 cents. B.$5.00. C.100 cents. D.$10.00.
A.10. B.8. C.6. D.None of the abov
A.Husband and wife. B.Classmates. C.A teacher and his students. D.Colleagues.