阅读下面短文,按照句子结构的语法性和上下文连贯的要求,在空格处填入一个适当的词或使用括号中词语的正确形式填空。
Paul and Anna are two sheep. They have three (child). They are Sue, Sally and Sam. Today is the (three) day of May. Sam's birthday is (come) soon. The family go to a shop to buy a birthday present Sam.
In the shop, Anna sees orange pencil box, but Sam doesn't like it. Paul sees a schoolbag. "My old one is still good. " Sam says. Sue sees the sports shoes. "I don't need (they). " says Sam. Sally sees a clock. "How about the clock? It can (help) you get up," she says. Sam doesn't want it.
Then present does Sam want? He wants a camera. The shop sells the camera at a good price. It's only 80 dollars, Anna and Paul don't have so much money with them.
Do they (final) buy the camera? Yes, they do. The five sheep cut their wool (羊毛) and sell it. Then they have the money for the camera.