（A: Ann B: Betty C: Sales clerk）
A: Hi, Betty. Long time no see. ?
B: Pretty good. How about you?
A: Great! Where are you going?
B: Summer vacation is coming. I'm going shopping for my study tour. ?
A: Sure, I'd love to.
B: Terrific! Let's go.
（The two girls are in the shopping mall）
C: ?
B: I'd like a pair of sports shoes.
C: What about this pair? They're the latest design and at a good price.
B: ?
C: Of course.
A: You look cool in the shoes, Betty!
B: Haha, I think so. ?
C: 150 yuan.
B: I'll take them. Here is the money.
