从A、B、C及D四个选项中，选出可以填入空白处的最佳选项。
21.---A trip to outer space must be fun and exciting.
---_______. That’s why so much people are looking forward to such a trip.
A. That’s all right B. I prefer to
C. I suppose so D. It depends
22. They have been stopped from leaving their homes since King Gyanendra seized ________ control of ________ government three months ago.
A. the; the B. the; / C. /; the D. /; /
23. Despite the ______ progress of building work, the campaign against it is still going strong.
A. fragrant B. steady C. deliberate D. sacred
24. ---Do you enjoy the dinner?
