从下面方框中选择适当的词填入短文中，使短文通顺正确(注意有些词要用适当的形式)，方框中有两个多余的词。

　　 We can often see dog owners taking their dogs for a walk. But have you (76)__　　　　 of taking penguins for a walk? Here is a piece of news from Japan. In Tokyo Zoo, penguins go out for a walk in line every day. It is said that this can make them happy and stop them (77) 　　　being homesick. The penguins in this zoo didn't eat well and were not kind to workers when they first came to the zoo, maybe they were not (78)　　　 　to the life in the zoo. So the zookeepers came up with this good (79)　　　　 They let them walk just as they did in South Pole(南极). Now, all these penguins have become (80) 　　　　　　

75. Do you know when computers were 　　　　(发明)?

74. I'll 　　　　(借) the book to you when I've finished it.

73. I felt so 　　　　(瞌睡) that I went to bed very early.

72. A fire broke out on the 　　　　(第九) floor of the hotel.

　　 根据下列句子及所给汉语注释，在句子空缺处写出各单词的正确形式(每空只写一词)。

71. We read English aloud for 15 minutes in the morning from (星期一)　　　 　to Friday.

　　 请听一段独自，然后完成第66-70小题。在每小题句子空白处填写适当的词语，使句子意思与所听内容一致，每空词数不限。

66. Jenny wants to say something about the 　　　　　　　　　between Chinese culture and Canadian culture.

67. Jenny found it easy to 　　　　　　　　　in China.

68. In Canada, people never ask others about their 　　　　　　　　　　　

69. It's necessary to 　　　　　　　　　first before you visit someone in Canada.

70. Jenny thinks you should not 　　　　　　　　　making mistakes in China.