先通读下面短文，掌握大意，然后从下面四个答案中选择可以填入相应空白处的最佳答案。

From Monday to Friday, most people are busy working or studying. But in the evenings and weekends, they are 　21　 and enjoy themselves. Some watch television or go to the cinema, others 　22　 sports, this is decided by their own interests.

There are many different ways to spend our free time. Almost everyone has some kind of hobby: it may be something from 　23　 stamps to making model planes.　　　　 Some hobbies are very expensive, but others don’t cost anything 　24　 . Some collections are worth a lot of money, others are valuable(有价值的)only to their owners.

I know a man who has a 　25　 collection worth(值) several thousand dollars. A short time ago, he bought an unusual fifty-cent piece which 　26　 him $250!　 He was very happy about it and thought the price was all right. On the other hand, my youngest brother collects 　27　 . He has almost 600 of them, but I wonder if they are worth any money. 　28　 , to my brother, they are quite valuable.　 29　 makes him happier than to find a new match box(火柴盒)for his collection.

That’s what a hobby means, I think. It is something we 　30　 to do in our free time. The value in dollars is not important, but the pleasure it gives us is.

21. A. lucky　　　　　 B. clever　　　　 C. funny　　　　　　 D. free

22. A. think about　　 B. join　　　　　 C. take part in　　　　 D. take care of

23. A. collecting　　　 B. getting　　　　 C. printing　　　　　　 D. making

24. A. first of all　　　 B. at all　　　　　 C. of all kinds　　　　 D. in all

25. A. book　　　　　 B. cloth　　　　　 C. stamp　　　　　　　 D. coin

26. A. spend　　　　 B. took　　　　　 C. cost　　　　　　　 D. waste

27. A. stamps　　　　 B. match boxes　　 C. pens　　　　　　 D. model planes

28. A. So　　　　　 B. However　　　　 C. Because　　　　　 D. But

29. A. Nothing　　　 B. Everything　　　 C. Anything　　　　　 D. Something

30. A. have　　　　　 B. need　　　　　 C. enjoy　　　　　　 D. like

20. A . soldier　　　 B. policeman　 .C. bookseller　　　　 D. cleaner

19.　 A. sad about　　 B. afraid of　　 C. interested in　　　 D. worried about

18. A. beat　　　　　 B. hurt　　　　 C. touched　　　　　 D. stopped

17. A. left　　　　　 B. lived　　　　 C. died　　　　　　 D. fell

16. A. on　　　　　 B. in　　　　　 C. at　　　　　　　 D. to

15. A. terrible　　　 B. dangerous　　 C. safe　　　　　　 D. interesting

14.A. build　　　　 B. break　　　　 C. visit　　　　　　 D. find