are you ready? yes ,i am.
　　in front of
　　shopping
　　crazy
　　buying things
　　how much does that pen/watch/book cost?
　　it costs 10 dollars.
　　that's very expensive.
　　do you have anything cheaper?
　　(nothing good)
　　sure,this pen is only 2 dollars.
　　good,i'll take it.
　　how much is this book ?
　　it's 7 dollars
　　do you have change for a hundred?
　　no prlblem,
　　ok,here is the money.
　　thank you,here is the book and your change,
　　show off.
　　vocabulary and idiot.
　　buying, thing,how much, pen. fountain pen,
　　cost.dollar.expensive,anything,cheaper.
　　book,change,money,