21.(2011江苏卷) -I hear you ______ in a pub. What’s it like?

　 -Well, it’s very hard work and I’m always tired, but I don’t mind.

　　　　 A. are working　　 B. will work　　 C. were working　　 D. will be working

30.(2011江西卷) We arrived at work in the morning and found that somebody ______ into the office during the night.

A. broke　　　　　　　　　　　 B. had broken　　　　　　　　　　　　 C. has broken　　　　　　　　　　　　 D. was breaking

35.(2011山东卷) She was surprised to find the fridge empty; the child _____ everything!

A. had been eating　　 B. had eaten　　　 C. have eaten　　　 D. have been eating

31.(2011山东卷)When I got on the bus, I _____ I had left my wallet at home.

　　　　　　　　　 A. was realizing　 　 B. realized　　　　　　　　 　 C. have realized　　　　　　　　　 D. would realize

27.(2011北京卷) - That must have been a long trip.

　 - Yeah, it __________ us a whole week to get there.

　 A. takes　　　　　　　　　　　　　　 B. has taken　　　　　　　　　 C. took　　　　　　　　　　　　　　　　　 D. was taking

(2011上海卷) 31. After getting lost in a storm, a member of the navy team _____ four days later.

　　　　 A. rescued　　　　　 B. was rescued　　 C. has rescued　　　　　　　　　　　　 D. had been rescued

　(2011上海卷) 34. Did you predict that many students ______ up for the dance competition?

　　　　 A. would sign　　　　　　　 B. signed　　　　　　　　　　　 C. have signed　　　　　　　　　　　 D. had signed

32.(2011北京卷) - Bob has gone to California.

　 - Oh, can you tell me when he _________?

　 A. has left　　　　　　　　　　　　 B. left　　　　　　　　　　　　　　 C. is leaving　　　　　　　　　　　　　 D. would leaving

23.(2011北京卷) Tom __________ in the library every night over the last three months.

　 A. works　　　　　　　　　　　　　 B. worked　　　　　 C. has been working　　 D. had been working

(2011全国卷I) 23.　 Planning so far ahead _____ no sense-so many things will have changed by next year..

A. made　　　　　　　 　　 B. is making　　　 C. makes　　　　　　　　　　　　　　　　　　　　　　　 D. has made

(2011全国卷I) 24. I wasn’t sure if he was really interested or if he ______ polite.

A. was just being 　　　　　　　　 B. will just be　　　 C. had just been　 　　　　 D. would just be

　(2011全国卷I) 29. When Alice came to, she did not know how long she _____ there.

　 A. had been lying　　　　　　　 B. has been lying

　 C. was lying　　　　　　　　　 D. has lain

21.(2011北京卷) Experiments of this kind __________ in both the U.S. and Europe well before the Second World War.

　 A. have conducted　　　　　 B. have been conducted　　　　 　 C. had conducted　　　　　　　 D. had been conducted

24.(2011湖南卷)I know that　 _____ would ever discourage him; he would never give up wanting to be a director.

A. something　　　　 B. anything　　　　　　 C. everything　　　 D.nothing

27.(2011重庆卷)--Silly me! I forget what my luggage looks like.

--What do you think of ______ over there?

A. the one　　　　　　　　 B. this　　　　　　 C.it　　　　　　　　　　　 D.that