1-5: ACCAB　 6-10. ABCCD

16. “Where is my pencil?” “___.” A. Here is it B. There they are C. There are they D. Here it is

Keys to the exercises:

15. On the wall ___ two large portraits.　　　 A. hanged　 B. hangs　　　　　　 C. hanging　　　 D. hang

14. Long ____ the People’s Republic of China! 　 A. live　　 B. lives　 C. lived　 D. are living

13. ____ to accept bribery (贿赂).　　　 A. Many a time he refused　　 B. Many time he refused

　　　 C. Many a time did he refuse D. Many times did he wanted

12. _____ without causing trouble.

　　　 A. Rarely he come　 B. Rarely does he come　　　　 C. Rarely he comes　　　　 D. Rarely came he

11. ____ ignore our mistakes.

　　　 A. In no circumstance should we　　　　　 B. Under no circumstances should we

B.　　　 In the circumstances should we　　　 D. Under the circumstances we should

10. ____ will China be a superpower. A. Now 　 B. Then　 C. At no time　 D. In no time

9. ____, such spelling mistakes might have been avoided.

　　　 A. You had been more careful　　　　　　　 B. You have been more careful

　　　 C. Have you been more careful　　　　　　 D. Had you been more careful

8. East of the river ____ two　 buildings. A. lies　 B. stands　　　 C. lid　　　 D. are standing