21. We sat on the dry grass 　　　　our backs to the wall , chatting cheerfully.

A. with　 B. over　 C. against　 D. upon

20. Jack tends 　　　　angry when people oppose to his plans.

A. getting　 B. to getting　 C. get　 D. to get

19. It is not yet known how these huge stones were conveyed 　　　　a distance of 380 kilometres 3 000 years ago.

A. at　 B. for　 C. over　 D. in

18. It is a mystery how early man 　　　　build the Pyramids without the use of modern machines.

A. could　 B. was able to　 C. would　 D. had to

17. Afraid of getting lost in the crowd , the little girl stood 　　　　to her mother.

A. closed　 B. closing　 C. closely　 D. close

16. The famous actress came onto the stage with her boyfriend 　　　　her.

A. accompanying with　 B. accompanying

C. accompanied with　　 D. accompanied

13. get stuck　 14. 任…摆布，由…掌握　 15. be linked to

9. set an example to　 10. 坐落在　 11. in vain　 12. 适应、调整　

6. 对…有影响　　 7. keep sb as a prisoner　 8. 提出、想出

1.　　　 hear

A. nearly　 B. search　 C. bear　 D. heart

2. change

A. machine　 B. headache　 C. technique　 D. research

3. surprise

A. police　 B. apologize　 C. bridge　 D. children

4. safely

A. base　 B. season　 C. Asia　 D. usual

5.museum

A. subject　 B. true　 C. huge　 D. busy