A: What can I do for you, madam?
B: I want some bananas.
A: Sorry, they are just out. Would you like some apples?
B: OK, I'll take apples. How much do they ? I think these six apples are 3 kilos or so.
A: Umm... You're right! Three kilos. How about having some grapes?
B: Oh, it seems that worth having a try! How much are they?
A: Well, the green ones are three yuan a kilo and the red ones are four yuan a kilo.
B: Two kilos and a of the red ones, please.
A: All right, 22 yuan in , including the apples.
B: Here's the money.
A: Thank you.
