28. They are letting us use their computer, and ______ we are giving them the results of our research.

　 　A. in turn 　　　　　　　　　 B. in return　　　　　　　　 C. result in 　　　　　　　　 D. in fact

27. The building around the corner caught fire last night. The police are now ______ the matter.

　 A. getting through　　　 B. working out　 C. looking into　 D. watching over

26. ____ in thought, he didn’t notice me when I came into his room.

　 　A. Burying　 　　　　　　 B. Buried 　　　　C. Put himself　 　 D. To be set

25. He _____ the lion, fired but missed it.

A. shot　　 　　　　　　　　 B. aimed　　 　　　 　　C. aimed at　　 D. killed

24. It was __________ computer games that cost the boy a lot of time he

ought to have spent on his lessons．

　 A. having played　　　　B. to have played　　　C. playing　　 D. played

23. ---- What’s wrong with him? He is so sad.

　 　　---- He was ______ at not being invited to the party .

　 　A. nervous　　　　　　　　 B. anxious　　　　　　　　　 C. worried　　　　　 D. upset

22. ---Mr. Smith, ______ he have all these letters typed for you right away?　　　

---He ______. They should be ready by 10 o’clock this morning.

A. will; must 　　　　　 B. shall; has to　 　　　 C. need; will　 　 　　　 D. would; ought to

第一节：单项填空(共15小题；每小题1分，满分15分)

从A、B、C、D四个选项中，选出可以填入空白处的最佳选项。

21. ---The last one __________ sings a song.

　 ---Agreed.

　　　 A. arrived　　　　　　 B. to arrive　　　　　 C. arrives　　　　　　 D. arriving