Problem: W: What? How come? What was said before this conversation?

A: M: I was told Flight HU7245 was delayed until 9 o'clock this morning.

Problem: W: Good morning! I'm looking for a coat. M: What color would you like? W: Could you show me some? I'd like a middle sized red coat. M: Sorry. We haven't anything in your size. W: Do you have a smaller size? M: I'm sorry. The small size coats have just been sold out. What about the blue one? It looks nice and maybe fits you. W: Well, may I try it on? M: Yes, please. W: It seems nice on me. How much is it? M: 168 yuan. W: OK. Here is 170 yuan. You keep the change please! M: Thanks. What was said before this conversation?

A: M: Good morning! What can I do for you, Madam?

Problem: M: I want to order a laptop computer for my wife. W: Certainly. What type would you like to buy for her? M: AM520. W: What color does she want, a black one or a white one? M: She prefers a black one. W: All right. Have you decided what size to buy? There are different sizes to choose from, from 13-inch ones to 17-inch ones. M: Well, I want to buy a 15-inch one. How much does it cost? W: 5000 yuan, including the postage. What was said before this conversation?

A: W: Hello, this is Dell China. What can I do for you?

Problem: W: We have several part-time jobs available here, Would you like to look through the list? M: Yes, thank you. I'd like to apply for the job at the computer center. W: Please fill out the form. What was said before this conversation?

A:
M: I'd like to find a job.