31. Do you know ______ man, whose son is ______ astronaut?

A. the, an　　　 B. a, an　　　 C. /,the　　　 D. the, /

30. You can’t cut down any tree here, unless you have the __________ (permit) of the government.

29. If you want to be a great person, first of all you should be a good _________ (city).

28. From the day Napoleon (拿破伦)joined the army, he dreamed to be the _________ (command) one day.

27. The early bird _________ (catch) the worm.

26. Because of the great ___________ (achieve) in Chinese film industry, Zhou Renfa was written into the text book in Hong Kong.

25. the sooner the task will be done, the fewer people can be _________(牵涉)in.

24. When people in _________ (权力) is absent, people will do as they like.

23. Now Daniel’s father is the youngest __________(教授)in his university.

22. Christopher Columbus was a ___________(勇敢的)man to go where no one had gone before.