16. Since he left the university, he _____ in an accounting company.
   A. has been working           B. had worked
   C. had been working           D. was working
17. The weather in China is different from ____.
   A. America           B. in America        C. that in America   D. one in America
18. It was not until dawn _____ their way out of the forest.
   A. when they found    B. that they found     C. did they find     D. that they didn’t find
19. ____ he says or does won’t make me change my mind at all.
   A. Whatever          B However          C. Which          D. How
20. We all believe that it’d be hard for him to _____ extra responsibilities now.
   A. take apart          B. take up           C. take on         D. take back
21. He was very rude to the customs officer, _____ of course made things even worse.
   A. who              B. whom            C. what            D. which
22. The goods _____ when we arrived at the airport.
   A. were just unloading         B. were just been unloading
   C. had just unloaded           D. were just being unloaded
23. All things _____, the planned trip had to be called off.
   A. considered         B. be considered       C. considering      D. having considered
24. ______ purpose did you say their team would beat ours ?
   A. For which         B. What              C. For what         D. Which
25. Since there isn’t much time left, you can just tell us bout it ____.
   A. in detail           B. in short            C. in all            D. in brief
26. People appreciate _____ with him because he has a good sense of humor.
   A. to work            B. working           C. to have worked    D. have working