31. Mary was very unhappy for _______ to the concert.

　 A. not being invited　　　　　　 B. not having been invited

　 C. not having invited　　　　　 D. having not been invited

30. What’s the reason for _______ there?

　 A. not your going　　　　　　 B. your not going

　 C. not your go　　　　　　　　 D. your not gone

29. Please excuse my _______ in without _______.

　 A. come, asking　　　　　　　 B. coming, asking

　 C. to come, being asked　　　　 D. coming, being asked

28. The monkey was so lucky that it just missed _______.

　 A. catching　　　　　　　　 B. to be caught

　 C. being caught　　　　　　　 D. to catch

27. They manged _______ the meeting room before the guests arrived.

　 A. finishing to clean　　　　　 B. finishing cleaning

　 C. to finish cleaning　　　　　 D. to finish to clean

26. I prefer _______ the book at home to _______ film.

　 A. reading, seeing　　　　　　 B. to read, see

　 C. read, seeing　　　　　　　 D. reading, see

25. He _______ up at six, but now he _______ up at five.

A.　　　 used to get, is used to getting

B.　　　 was used to getting, use to get

C.　　　 used to getting, is used to get

D.　　 was used to get, used to getting　　　　　　　　　　　　　　　　　　　　　　　　　　　

24. No one can prevent the plan ________.

　 A. from carrying out　　　　　 B. to be carried out

　 C. to carry out　　　　　　　 D. being carried out

23. I don’t think the book is ________.

　 A. worth being read　　　　　 B. worth to be read

　 C. worthy of reading　 　　　　D. worthy of being read

22. We said nothing but ________.

　 A. laugh　　　　　　　　　　 B. laughing

　 C. to laugh　　　　　　　　　 D. to be laughing at