三、完形填空（共10小题，满分10分）  

 阅读下面短文，从每小题A、B、C、D中选出一个能填入文章中相应空白处的最佳答案。

Maybe there are many differences between going to school in Britain and going to school in your country. In Britain school starts   31   8: 30 and 9: 00 and finishes at about 4 o'clock in the afternoon. It is a long day but there are   32   lessons on Saturdays. Children usually have lunch at school. School meals are not expensive and are quite good. But some children don't like them and take sandwiches   33   go home.

In Britain school holidays are different from   34   in other countries. They are shorter   35   Christmas and Easter but   36   in summer. The school year starts in the first week in September and   37   in the third or fourth week of July.

Children start primary school when they are five years old; they stay there   38   they are eleven. Then they usually go to a secondary school. Children can't leave School before they are sixteen. At this age most students take public exams. Students who continue their studies go into   39   form(年级). If their school doesn't have a sixth form, they change schools or go to a college. Students need two years in the sixth form, and then take   40   public exams. In some parts of Britain, students go to middle schools at the age of eight and then go to secondary schools when they are twelve or thirteen.

31. A. from            B. at                C. among            D. between

32. A. not                B. not a            C. no            D. some

33. A. or                B. and            C. so                D. to

34. A. that            B. those            C. them            D. it

35. A. at                B. on            C. between        D. in

36. A. more longer        B. much long        C. much longer        D. much shorter

37. A. stops            B. ends            C. finished        D. over

38. A. before            B. after            C. when            D. until

39. A. the sixth            B. sixth            C. a six            D. the six

40. A. many            B. much            C. more            D. fewer