根据所给的情景，补全下面的对话。
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.