五、词汇运用（共10小题;每小题1分，计10分）

根据句子意思，用括号中所给汉语提示或英语单词的适当形式填空。（每空一词）

66. ________ (工厂) have been closed because of putting waste water into the river.

67.The parade has been ______________(结束) for two hours.

68. He usually ________(放松) 20 hours every day , can he succeed?

69. As a student, we shouldn’t do something _________(违反) the law.

70. If he doesn’t go there, I won’t go, __________(也).

71. Children should be taught to spend their free time 　　　　　 (wise).

72. He has failed eight times, and has decided to try a __________ (nine) time.

73. He spent a lot of time __________ (stay) with his old father.

74. I think            (educate) is very important.