13. In most states, trade and industrial training is provided in a minority of the high schools, usually ________ in the larger cities.

　 A　 located　　　　 B　 locating　　　　 C　 being located　　 D　 locates

12. He worked seven days a week, and six of ____ until one o'clock at night.

　 A. that　　　　　　 B. whom　　　　　　 C. which　　　　　　 D. them

11. If the dog hadn't barked loudly, we ____ caught red-handed.

　A. won't have been　 B. needn't have been　 C. mustn't have been　 D . shouldn't have been

10. If you want to see the chairman of the department, you’d better make an _______ with his secretary first.

A. admission 　　　B. agreement 　C. appointment 　D. alphabet

9. Even though he has lived in China for many years, Mark still can not _______ himself to the Chinese customs.

A. adopt 　　　　B. account 　C. adapt 　　　　D. accept

8. He is deeply _______ in the trouble of his company.

A. involved 　　　B. occurred 　C. packed 　　　D. represented

7. These two horses look so much alike that we can not _______ one from the other.

A. differ　　　　 　B. detail　 　C. distinguish　 　D. defeat

6. When you study in the United States, usually you have to buy your own health _______.

　A. insurance　　 B. expense　 C. evidence　　　 D. payment

5. The Thames often _______ the government’s opinion, not the public opinion.

　A. affects　　　 B. reacts　 C. reflects　　　　 D. recognizes

4. We are _______ at the rapid progress Mark has made in this semester.

　A. distinguished B. annoyed C. astonished D. concentrated