Directions: You will hear four dialogues or monologues. Before listening to each one, you will have 5 seconds to read each of the questions which accompany it. While listening, answer each question by choosing A, B, C or D. After listening, you will have 10 seconds to check your answer to each question. You will hear each piece ONLY ONCE.
听力原文：W: Charles, I'm going to leave for the airport in half an hour. Can I have a word with you first？
M: Yes, sure. How long are you going to spend in Italy, by the way？
W: Oh, Just a week. I'm going to see some new designers this time, so it will be quite interesting. Now, you'll remember to check the money every evening, won't you？
M: Yes, I will. Don't worry.
W: And you won't forget to lock all the doors when you leave？
M: No, I won't. Relax, Lily.
W: OK. Well, I must get ready. Oh, look at the weather. It's going to rain again.
M: What's the weather like in Italy at this time of the year？
W: They say it's quite warm and study.
M: Lucky you !
W: Charles, don't forget I'm not going to have a holiday. I'm going there to work! Now, I think I ought to call a taxi.
What is the most probable relationship between Lily and Charles？
A．Mother and son.
B．Friends.
C．Colleagues.
D．Shop owner and shop assistant.
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