11. To solve this puzzling problem, all means ______ been tried.

　 A. has　　　 B. have　　 C. is　　　 D. are

10. After several days’ serious discussion, an agreement ______ between the two sides.

　 A. was finally reached　　　　　　　　 B. had finally been reached

C. has finally reached　　　　　　　　　 D. is finally reached

9. ______ tomorrow evening, he would reach his destination by Monday morning.

　 A. Would he leave　　 B. Were he leave　　 C. Should he leave　　 D. If he had left

8. Helen had to shout to make herself ______ above the noise of her classmates.

　 A. to be heard　　 B. heard　　 C. hearing　　　 D. having heard

7. He hurried to the theater only ______ the concert was already over.

　 A. to tell　　 B. telling　　 C. to be told　　 D. having told

6. I would have come to your birthday party last night, but it ______.

　 A. had rained　　　 B. rained　　 C. would have rained　　 D. should have rained

5. I think it’s high time that he______ good habits.

　 A. develops　　　 B. develop　　 C. will develop　　 D. developed

4. The matter ______ now is of great importance to all the people present.

　 A. discussed　　 B. being discussed　　 C. to be discussed　　 D. discussing

3. The boy didn’t listen to ______his mother said, ______ surprised me very much.

　 A. what; which　　 B. which; what　　 C. that; which　　 D. how; what

2. The nervous look on his face suggested that he ______ when he was asked about the case.

　 A. is lying　　 B. should lie　　 C. must lie　　 D. was lying