Please make up a dialogue based on the following s...
Please make up a dialogue based on the following situation. (refer to the useful expressions on page 57 of the textbook) In a Department Store You are trying to carry out a conversation about shopping. For student A: You bought an MP3 player about half a year ago. Now there is something wrong with it. So you go to the shop to have it repaired. But the shop assistant refuses to repair it freely because the warranty ran out a week ago. For student B: You work in a department store. One day a customer comes to have his/her MP3 player repaired. It it guaranteed to free repair for half a year. You refuse to repair it freely because the warranty is expired. Finally you agree to repair it but the customer must pay for it. 对话格式为: A: ...... B: ......