单项选择题
W: Are men’s suits on the fifth floor M: No. They are here on the fourth. The fifth is electric appliances.
A.In a department store. B.In a fashion show. C.At an office. D.On the fifth floor.
A.Friends. B.Mother and son. C.Husband and wife. D.Shopkeeper and customer.
A.a business letter B.an introduction C.an instruction D.an advertisement