【答案解析】[听力原文]13-16 W: What can I do for you, sir? M: I'm looking for a jacket for my son. W: Come with me, please. Here are jackets for boys. M: The black one is nice. How much is it? W: Twenty five pounds. M. Oh, I'm afraid it's too expensive. W: What about the blue one over there? It looks nice, too. And it's cheaper. M: But it's a bit too small. Have you a bigger size? W: Sorry, we haven't. But we'll get some soon. Will you come next week? M: All right. I'll come again.