补全对话 A: Good morning, sir. 1 B: I'd like to buy a blue jacket. Do you have any blue jackets? A: Yes. 2 B: I want size M. A: Here you are. B: Can I try it on? A: Sure. Is it all right? B: Yes, I like it very much. 3 A: 360 yuan. B: That's a bit expensive. Do you have any other kind? I want a cheaper one. A: What about this one? It's only 120 yuan. B: OK. 4 Here's the money. A: 5 Goodbye, sir. 1.________ 2.________ 3.________ 4.________ 5.________