题目内容
根据句意及首字母或括号里的汉语或单词提示，把所缺单词写在横线上，并注意其变换形式。
66. He failed his math examination because of his (care) work.
67. The art museum _________ (成功) in displaying the new paintings.
68. As students, we are s to obey the school rules.
69. It's 
(danger) to play football in the street．
70. Mary said she (更喜欢) reading a book to watching TV.
71. There is h__________ any food in the fridge. Let’s go and buy some.
72. She has never made so many m in answering such easy questions.
73. The lift can take us to the (thirty) floor to see the nice scenery.
74. Her mother is Chinese and her father is (Canada).
75. I like cooking. I think it is a good way to (使…放松) myself.
66.careless 67. succeeded 68. supposed 69. dangerous 70. preferred
71. hardly 72. mistakes 73 thirtieth 74. Canadian 75. relax
hat is on his head.