通读全文，了解大意，然后填写所空单词。(首字母已给出)

　　“Listen! What's that noise?” said David. Peter and Frank s　1　 up and listened. The three boys were having a rest. “The noise is f　2　 the fire station,” said Peter. “There must be fire s　3　.” He looked round at the sky q　4　, “I can't see smoke.”

　　The o　5　 two boys looked back towards the town, a　6　 then they all looked at the sky and trees round them. “There it is!” s　7　 Frank suddenly. He pointed to the column(柱) of blue smoke rising in the s　8　 about a mile away.

　　“C　9　 on,” said David excitedly(激动地). He picked up his b　10　 “Let's go and see what is happening. We might be able to h　11　.”

　　The boys j　12　 on their bikes and rode away quickly. Peter wondered(想知道) i　13　 the fire was n　14　 his uncle's shop. With their heads bending(弯) over the handle-bars(车把), the boys rode as hard as they c　15　. Soon they h　16　 the bell of a fire-engine(消防车) rising as it hurried a　17　. The sound quickly grew l　18　. The fire engine suddenly caught up w　19　 them and ran quickly towards the fire. W　20　 they got there, the fire had been put away.

There are nineteen boys and twenty-eight girls in our class.  1 　the boys is English. His 2 is Sam. He is thirteen. Two of the  3  are American. They are twins. 4　names are Lucy and Jane. They are twelve. They are my  5　. All of the other boys and girls are  6 　. We all like the English boy and the American girls,  7  they like us, too. We play games together（一起）. We help  8  and they help us.
　　Look, there   9  the twins! They are coming this way.  Let’s 10  hello to them.

There are nineteen boys and twenty-eight girls in our class.  1 　the boys is English. His 2 is Sam. He is thirteen. Two of the  3  are American. They are twins. 4　names are Lucy and Jane. They are twelve. They are my  5　. All of the other boys and girls are  6 　. We all like the English boy and the American girls,  7  they like us, too. We play games together（一起）. We help  8  and they help us.

　　Look, there   9  the twins! They are coming this way.  Let's 10  hello to them.

2. 

4. 

5. 

7. 

8. 

10.