6.　　　　 Constitution is the f______________ law of a nation.

5.　　　　 The doctor said the old man's serious condition was h___________.

4.　　　　 Tax is payable on all i_________ over $2,000.

3.　　　　 The recent o__________ of bird-flu is a heavy strike on the country’s economy.

2.　　　　 After the fire, she received ￡2000 i__________ for the losses.

1.　　　　 We a___________ land because we regard it as a commodity belonging to us.

15. When sending a letter, don’t forget to write down your friend’s name, a____________ and p__________(邮编).

Unit　 9　 Book 3　 　

14. Eating too much and exercising less bring a big problem to Americans. Most of them are o_____________.

13. Bad luck! My bike has a flat t________.

12. Congratulations! You’ve made such great p___________!