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 . 

Dad: 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 .