A: Can I you?
B: Thank you. I'd a watermelon.
A:this big one?
B: It's very nice. How much is it?
A: Seven yuan. Anything ?
B: I some strawberries, too.
A:do you want?
B: Two kilos.
A: OK. Here you are.
B:are they?
A: Six yuan.
B: Here's the money.
A: Thanks.
B: You're welcome.
