56. The writer of this passage thinks that ___________.

　 A. education can settle all of the world's problems

　 B. free education for all probably leads to perfect world

　 C. free education won't help to solve social problems

　 D. all the social problems can't be solved by education

54. A. every　　 　B. each　　　　 　C. any　　　　 　D. all the

53. A. write　　 　B. speak　　　 　C. use　　　　 　D. read

52. A. trouble　　 　B. difficulties　 　C. things　　　 　D. fun

51. A. did 　　　　B. do　　　　 　C. can　　　　 　D. had

50. A. where　　 　B. which　　　 　C. over where　 　D. that

49. A. very　　　 　B. just　　　　 　C. just now　　 　D. so

48. A. small　　 　B. little　　　　 　C. old　　　　　 　D. young

47. A. to marry　 　B. to be married 　C. marrying　　 　D. married