It is Saturday morning. Carla and Jason set out the things they are going to sell because they want to use the money to help some poor people. Soon, friends and neighbours will come. Carla .and Jason have their first customer. A friend wants to buy Jason's old train set. It used to be one of Jason's favourite toys. But he doesn't play with it any more. Jason sells the trains set. A neighbour buys three pairs of shoes for her little girl. The three pairs of shoes cost＄3. 00. She gives Jason a five-dollar bill. This is more money than the shoes cost. Jason gives his neighbour the change.

Carla's friend wants to buy five books, but he doesn't have enough money. He asks if she'll sell him five books for the price of four books. Carla agrees to sell five books for the price of four. That is＄10. She wants to sell as many as she can.

【1】Carla and Jason don't sell ________________.

A.shoes B.books C.an old train set D.a bill

【2】Carla wants to sell the books at price of_____________ each.

A.＄2 B.＄2. 5 C.＄5 D.＄10

【3】A neighbour gets ___________ as change from Jason.

A.＄1 B.＄2 C.＄3 D.＄5

【4】Carla and Jason sell the things because_______________.

A.they don't like them

B.they are cheap

C.they want to make money to help some people

D.the train and books are old

【5】Which is true according to（根据）the passage?

A.Carla and Jason go shopping on Saturday morning.

B.Carla-and Jason sell the new things.

C.Carla and Jason get＄13 in all.

D.Jason used to like the train set very much.