33. Only __ as an interpreter __ how important it was to practise speaking English.

　 A. when did I work...I realized　　　 B. when did I work...did 1 realize

　 C. when I work...did I realize　　　　 D. when I worked...did I realize

32. ______ it have been the failure to pick up directions from the ground control that caused the air crash?

　 A. Must　　　　　　　 B. Could　　　　　　　　　 C. Would 　　　　　　　　 D. Should

31. ____ no cash for food, he broke into an old woman's house, hoping to steal some money.

　 A. Because　　　　　　　　　 B. As　　　　　　　　　 C. Since　　　　　　　　　　 D. With

30. --- I’m not good at dancing, you know.

　 --- 　　　. It’s just for fun.

　　　 A. All right　　　　　　　 B. No problem　　　　　 C. Come on　　　　　　　 D. Cheer up

29. BP will continue to be focused on making sure that the costs ________with oil spill cleanup in the Gulf of Mexico are paid.

A.covered　　　　　 B.filled　　　　　　　 C.occupied　　 D.associated

28. Common people always hold the view 　　　　the experts say is right.

　　　 A. what that　　　　 B. that what　　　　　 C. that　　　　 D. all which

27. Unless ________ , the murderer is likely to commit similar or further offences.

　 A. to arrest　 B. arrested　 C. been arrested　 D. arresting

26. It is the first time that Chinese astronaut Wang Yue________as one of the volunteers for the Mars-500 test project .　　

A. has been selected　 B. had been selected　 C. has selected　 D. selected　　　

25. ---I bought three DVD copies of the film Avatar and now 　　　　is left. Somebody just borrows something and never returns. ---Things like that happen all the time. A. none　 　　　　　　 B. nothing　　　 　　　 C. no one　 　　　　　 D. neither

24. Among the most important questions the journalists wanted _____was how Greece could overcome economic crisis ?

A. to answer　　 　　　　　 B. being answered　　 　 C. answering　　 　 D. answered