20. Only by shouting at the top of his voice 　　　　　　　.

A. he was able to make himself hear

B. he was able to make himself heard

C. was he able to make himself hear

19. --Would you like to come to my birthday party?

-- ________ to go to. At what time will it start?

A: I’m very willing　　　　　　　　　　　　　　　　 B: I’m too willing

C: I’m sorry I have no time　　　　　　　　　　　 D: I hate

18. She knows so much about England. She 　　　there before.

A. must be　　　　　 　　　　　　　　　　　　　　　　　　 B. must live　

C. must have been　　 　　　　　　　　　　　　　　　 D. must have lived in

17. It’s no use trying to solve problems ________. Talks are the only solution.

A. by the way of war　　　　 　　　　　　　　 B. by force

C. by communication　　　　 　　　　　　　　 D. by means

16. Only after　　　　　 did people know it was not an accident, but an attack of some kind.

A. the second tower of the World Trade Centre was hit

B. did the second tower of the World Trade Centre fall

C. was the second tower of the World Trade Centre hit

D. the second tower of the World Trade Centre was fallen

15. It was only when I read this story for a second time ________to appreciate its beauty.

A. did I begin　　　 　　　　　　　　　　　　　　　　　 B. that I began

C. then I began　　 　　　　　　　　　　　　　　　　　 D. had I begun

14. The lawyer was so kind that he devoted all his spare time he had ______ the disabled.

A. to helping　　　 　　　　　　　　　　　　　　　　　　 B. helped

C. helping　　　 　　　　　　　　　　　　　　　　　　　 D. to help

13. The seller would sell the skirt for 50 dollars, but the customer ___ only half the price, and finally they agreed ____ the price.

A. supplied; on　　 　　　　　　　　　　　　　　　　　 B. charged; on

C. offered; with　　 　　　　　　　　　　　　　　　　 D. offered; on

12. Wallace and Darwin didn’t agree _____different forms of life had begun

A. with the person whose　　　　　　　　　　　　　　 B. on the way in which

C. on the way which　　　　　　　　　　　　　　　　　　 D. to the plan to which

11. I don’t mind what time tomorrow you arrive at my place ___________ you promise to come and help me.

A. on condition that　　　 B. so far as　　　　　　　 C. as well as　　　　 D. as good as