A:hi,lucy.do you know how to make chicken sandwich?
B:of cause.first,you should prepare some bread,some pieces of chicken and some salad.
A:ok,then?
B:uh.,put a bread on the dish and add some salad.after that you could put some pieces of chichen on it.at last don't forget put a bread on the top of the bread.if you want it more nutritrious,you could put some vegetables in it.
A:thank you,i'll try it.
