31. I would rather buy a house in the countryside than 　　　　in the city. A. it　　　　　　　　　　　　 B. one　　　　　　　　　　　　　 C. this　　　　　　　　　　　　　 D. that

30. Many of the creatures in the movie “Avatar” are not real, but much of __________ happens is attractive.

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

29. -It’s hard to believe that Jack ________ have fought with the policeman.

　 -Yes. If one ________ ask for trouble, it can’t be helped.

A. would; will　　　　　 B. must; may　　　　 　 C. should; must　　 　　 D. need; dare

28. If our car had not ________, we would have been here on time.

A. broken out　　　　　 B. broken into　　　　 　　　 C. broken away 　　　　　 D. broken down

27. This new kind of chemicals will help keep the air, soil and water________ from pollution.

　　A. free　　　　　　　　　　 B. empty　　　　　 　 C. loose　　　　 　　　　　 D. short

26. Barack Obama has taken personal blame ________ the security failures which led ________ the attempt to blow up a plane on Christmas Day.

A. of; to　　　　　　　　 B. for; to 　　　　　　　　　　 C. on; on　　　　　　　　　　　 D. in; on

25. ―Look! What a mistake! Why?

―Sorry, I _________ on it.

　 A. don’t concentrate　　　　　　　 　　　　 B. hadn’t concentrated

　 C. haven’t been concentrating　　　　 　　　　 D. wasn’t concentrating

24. My father didn’t have to say anything. I knew he was upset from his ________.

A. look　 　　　　　　　　 B. sight　　　　　　　　　　　　 C. appearance　　　　　　　 D. sign

23. Cao Cao’s tomb is reported ________ in China, which attracts nationwide attention.

A. being found 　　　　　　　　　　 　　　　　　　　　　 B. to be found　　　　　　　

C. having been found　　　　　　　 　　　　　　　　　　 D. to have been found

22. The chairman will be pleased at ________ scene that everything is in ________ place.

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