[Q]: W: Well, to tell the truth, I really haven't got any choice, I have to take the bus. My car is in the garage getting repaired and the taxi is too expensive. What was said before this conversation?
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[A]: M: How are you going to the airport?

[Q]: M: At first, they wanted to hear our harmony. We sang to them and they really liked to. So they decided that it would be best to put us together as a group. W: What are some of the distinctive features of your music? M: We have a variety of different songs; we have four different styles: soft rock, slow music, love songs and country music. But we are most at home with soft rock. I really like our voices merged together and I like how it sounds. Actually, there is a song called Studying. Our company really likes the song because it represents our voice. W: What would you like to bring to the audience through your music? M: I'd like to recommend our first song to everyone. The name of the song is Believe. The main idea we want to share is that we want to tell everyone you have to believe in yourself before people can believe in you. Actually we want to bring our music to everyone and make everyone happy. Music is something all around you. You can listen to music and you can feel what the music says. What was said before this conversation?
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[A]: W: You two are quite different. How did your company put you two together as a team?

[Q]: M: Good afternoon. I'd like to speak to the doctor. Is he in? W: Who is that calling, please? M: My name is Li Hong. I'm from China. W: I'm sorry. Dr. Perkins is now at an important meeting and can't answer your call. M: I'm an exchange scholar. Dr. Perkins asked me to give a lecture. There are some details I want to discuss with him. W: I see, but you must speak to himself about that. Oh, well, if you leave your number, I'll tell him to ring you as soon as he is available. M: Thanks. My number is 7838298. What was said before this conversation?
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[A]: W: Good afternoon! Dr. Perkins' office.

[Q]: M: Wow. Looks like the party is at a high point. W: Yeah. And they're eating all of my food. Oh, I'd like you to meet my sister, Carol. She's visiting on the weekend. M: Oh. Which one is she? W: She's sitting on the sofa over there. M: You mean the woman with long black hair? W: That's right. Let me introduce her to you. You're both so friendly and adventurous. M: And who's the man sitting next to her? Uh, the man wearing the suit jacket? W: Oh, that's Bob, my ballet teacher. M: Ballet teacher! I never knew you could do ballet. W: I started about two months ago. Come on. I'd like you to meet them. M: I'm coming. What was said before this conversation?
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[A]:
W: Hi, Dave. Good to see you could come a long way. Come in.