22. Most westerners dislike ____ when they are asked how old they are or how much they make.

　A. this B. it C. that D. one

23. Students are forbidden, unless accustomed _____, _____ their dormitory after 11 p.m.

A. to make noises, in entering B. to not make noises

C. to making noises, entering D. to not making noises, to enter

24. I should very much like to have gone to Susan's birthday party, but _____

A. I have to give a lecture B. I had to give a lecture

C. I have had to give a lecture D. I had had to give a lecture

25. The trouble with the global warming debate is that it has become a moral problem ________it's really an engineering one.

　A. because B. when C. until D. where

26. He is a very good actor, _________ a lot of comedians are not, and he is a good director and a good writer as well.

A. who B. where C. which D. whom

27. Our school doesn't ________ students' staying in the classroom too long. We think they should have time for sports.

　A. advocate B. admit C. assess D. approach

28. The medicine takes effect in the __________ stage of treatment, but the effect declines when it is taken for several months.

A. potential B. instant C. original D. initial

29. ---- How was the journey?

---- Tiring! All the seats in the train _____, I stood all the way.

A. were occupied B. would be occupied C. would occupy D. occupied

30. _______ the old houses, the Browns built a beautiful garden in that area.

　A. Having pulled down B. Pulled down C. Pulling down D. To pull down

31. It's a sad fact in life: lies are lies, and sometimes the truth ______ lie as well.

A. should B. must C. shall D. can