单项选择题
M:Good morning. May I help you W: Good morning. I’d like to get three 50-cent stamps. M: Here you are. One dollar an 50 cents in all, please.
A.In a bank. B.At a post office. C.In a department store.
A.They are brother and sister. B.They are mother and son. C.They are husband and wife
A.A shampoo. B.A shave, C.A shape.