第一节　 单词拼写(共10小题；每小题1分，满分10分)

根据下列句子及所给汉语注释提示，在句子右边的横线上，写出空缺处各单词的完全形式。(注意：每空只写一词)

66. To my great __________(痛苦), I failed to pass the job interview.

67. You should get __________(治疗)if you don’t feel well enough.

68. The two __________(官方)languages in Canada are French and English.

69. Before the plane takes off, all the passengers should _________(系好)their seat belts.

70. Jeanne is an __________(极端)bright girl at university.

71. The history teacher is not too __________(熟悉)with ecology.

72. The professor sang high __________(赞扬)for the competitor’s speech.

73. In hot countries it’s possible to sleep __________(户外).

74. From __________(在……的后面)his desk, we found much rubbish.

75. Who is to __________(责怪)for starting the fire?　 　

20. We go to bed before ten, _________ in the summer.

　 A. except for　　　　　　　　　 B. except that　　　　　　　　　　 C. except when　　　　 D. except