完形填空。
Today is Sunday. The weather is fine. Huiyuan Supermarket is on 1 sale. There are many 2 kinds of things and many people are in it.
Now Sally and her mother are also there. Sally 3 a nice sandwich, but it's too small. She'd like a 4 one. Then she sees a large-sized hamburger 5 beef. She asks her mother to buy it for her. When she sees some 6, she also asks her mother to buy them. 7 her mother buys a hamburger, some orange juice and green tea. After that they want to buy something for their 8, Carol. Carol is a dog. She 9 playing with balls. So they buy her a ball.
How much are these things? Only 40 yuan. And Sally is lucky. She 10 a gift from the supermarket. It is a red hat. Sally and her mother go home happily.