在放假的时候，如果你和爸爸妈妈去郊游，在郊游之前你要准备一些郊游用的食物和饮料，你应该怎样去购买呢？

Dad: Tomorrow is Sunday .we are going to take a trip. All right?

Tommy: Ok. Thank you dad, I like it very much .Hurry up. Dad let’s go to the supermarket.

Dad: That’s right. What do you like?

Tommy: I like apple juice, Coke, bread, milk, hamburgers …. I like hamburgers very much .Do you like hamburgers, Dad?  

Dad: Sorry, I don’t like it, I like noodles, water, beer ….

Assistant: Can I help you?

Tommy: How much are they?

Assistant: They’re fifty-five Yuan.

Dad: Here you are         

Assistant: Thank you.