31. -You oughtn't have used my bicycle without a word.

　 -Sorry, I___________

　　 A. oughtn't　　　　　　　　　　 B. oughtn't to

　　 C. oughtn't to have　　　　　　 　D. oughtn't to have used

30. There will be no tickets left by the time he　　 　　which film to see.

　　 A. decides　　　 B. decide　　　　 C. will decide　　　 D. will have decided　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　 　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　

29. Eventually they arrived at a cave, __________.

　　 A. in front of that there stood a strange tree

　　 B. in front of which stood a strange tree

　　 C. in front of that stood a strange tree

　　 D. in front of where there stood a strange tree

28. This international conference not only raised　　　 about world hunger, but also raised lots of money to help starving children.

　　 A. information　　　　　　　 　B. suggestion

　　 C. instruction　　　 　　　　　　D. awareness

27. Where　　　 the old man have been? He has been missing more than twelve hours.

　　 A. might　 　　　　B. may　　　　　 C. could　　　　　 D. must

26. Early in April this year some experts indicated that H1N1 would　　　　 this autumn.

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

25. How can they learn anything　　　 they spend all their spare time wandering on the street?

　　 A. while　　　　　 B. as　　　　　　 C. because　　　　 D. when

24. -Joe, Look! I bought a new computer yesterday.

　 -Oh, how small it is! Mine is almost　 　　　.

　　 A. more than twice the size as yours

　　 B. twice more big　

　　 C. more than twice as big

　　 D. twice more than yours

23. He has decided to go to Beijing at the end of September, 　　　there will be a grand celebration for new China's 60th birthday on National Day.

　　 A. when　　　　　　 B. in that　　　　　 C. where　　　　　 D. that

22.-There are a dozen pens in this house, but I can hardly find one now.

　 -Keep looking. 　　　　is sure to turn up.

　　 A. One　　　　　 B. It　　　　　　 　　C. That　　　　　　 　D. This