结合本题所设置的情境，在每个空白处填入适当的内容完成下列对话。

（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.