22. She ________________(犹豫) for a moment, and then she gave her agreement.

21. They a　　　　　　　 　the date of their wedding in the paper.

20. She had many f　　　　　　　 　before find the right method.

19. As soon as I was on _____, I began to have second thoughts about leaving.

A. abroad　 　　　　　 B. broad　 　　　　　 C. aboard　 　　　　 D. board

18. The development of modern science will soon ___________ it possible for some patients to recover from these illnesses.

A. make　 　　　　　　　　 B. find　 　　　　　　　 C. consider　 　　　　 D. think

17. - Is it ___________ that the spaceship will be launched within this week?

- No, I don’t think so.

A. probably　 　　　　　 B. perhaps　 　　　　　 C. possibly　 　　　 D. likely

16. The school has __________ a special class to help poor readers.

A. set up　 　　　　　　　 B. set aside　 　　　　 C. come true 　　　 D. come into being

15. He _______________ a plan for the committee to consider.

A. put away　 　　　　　 B. put off　 　　　　　 C. put forward　 　　 D. put out

14. As is known to all, __________ great scientific achievements may have __________ positive effect on our life as well as society.

A. /; a　 　　　　　　　　　 B. the ; a　 　　　　　 C. the; /　 　　　　　 D./; /

13. - Have you finished the work?　　　　　　　 - Not yet. I _______ to do it just a moment ago.

A. set off　 　　　　　　 B. set up　 　　　　　　 C. set out 　　　　　　 D. set down