. During the reconstruction of the city, many modern tall buildings went up ______ old shabby houses were torn down.
| A．which | B．in what |
| C．in which | D．where |
26. They got married 30 years ago and never ______ in the past years.
| A．they didn’t quarrel | B．they have quarreled |
| C．did they quarrel | D．have they quarreled |
25. The student who was caught ______ in the exam has been removed from school.
| A．cheat | B．cheated | C．cheating | D．to cheat |
24. ---Is there any flight to New York?
--- I think there ______ be, for it is snowing so heavily.
| A．shouldn’t | B．mustn’t | C．can’t | D．needn’t |
23. We have no idea at all ______the economic crisis will end.
| A．when | B．that when | C．what | D．That |
22. ---Can we meet at 3 o’clock tomorrow afternoon?
--- That doesn’t suit me. I’m afraid I _____________.
| A．will be working | B．will work |
| C．am going to work | D．am about to work |