6.casual　 　　7.furnished　 　8. wiping　 　　　9. spread　 　　　10. pollution

10.The earth is getting dirty. We must take measures against p______.　　 　　　　　　10.__________

Keys:　 1. operated 　　2. silent　 　3.vacant　 　　4. various　　 5. raise

9. The illness _____(传播) quickly and soon masses of people in the surrounding areas were in hospital. 　

8. Talking of his father’s death, the girl kept on w____ eyes with her back hand. 　　　　　8.____________

7.As a matter of fact, the house is well _________(布置).　　　 　　　　　　　　　　　7.____________

6.It is not polite that you dressed in _________(随便的) clothes for the party.　　　　　　 6.____________

5. It was noisy. He had to r____ his voice when speaking .　　　　　　　 　　　　　　　5.____________

4. For _____ (各种各样)reasons, he had to leave his homeland.　 　　　　　　　　　　　4.____________

3.Because some great masters of tennis didn’t take part in the game, there were many _____(未占用的) seats in the stadium. 　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　3.____________

2. The class was s_____ as the teacher explained the exam rules.　　　　 　　　　　　　　2.____________