GO SHOPPING
    M：Let us go shopping!
    B: Ok!mother?
    L: Ok!Milk and Bll.
    M and B: Great!
    M: I want to buy a car! What are you want to buy?
    B: I want to buy an English book!
    L: Let us go to that car shop!
    M: I want to buy this car, Mother!
    L: Ok! Now, let us to library!
    B: Oh mother , I like this book!
    L: OK!