Li：Hi,Ma!
Ma:What?
Li :I want to to buy a table tennis bat.Are you free now?
Ma:Yes,I won't have much to do now.Let's go.
Li:Which brand is popular,do you know?
Ma:Double Happiness .
Li:Where is this kind of brand bat made?
Ma:It's made in Shanghai and it's very popular among teenagers.
Li:That's great.By the way,where can we buy it?
Ma:We can have it at the supermarket next to Xin Hua Bookstore.
( At the supermarket,assiantant---A)
A:Can I help you?
Li:I want to buy a table tennis bat.
A:Which brand?
Li:Double Happiness.How much is it?
A:Forty yuan.
Li:Well,I 'll buy it.Here is the money,fifty yuan.
A:Here is your change.
Li:Thank you.
