73. The boy was ________(咬)by a dog.　　　　　　　　　　　　　　　　　　　　　　　　　 84.__________

72. Household chemistry is an_________(应用)science.　　　　　　　　　　　　　　 83.__________

71. Are you alone or with a ________ (伙伴).　　　　　　　　　　　　　　　　　　　　 82.__________

70. Last year, they ___________ (取得)great success in reducing pollution.　　　 81.__________

69. I have _________(安排)the window cleaner to come on Thursday.　　　　 80__________

68.People are now careful about what they eat and exercise ________(有规律地). 79.__________

67. The carpets and curtains do not ______( 相配). 　　　　　　　　　　　　　　　　　　 78.__________

66. I have wanted to speak to you, but I haven’t had the ______(勇气).　　　　　 77.__________

根据下列句子及所给汉语注释，将空缺处各单词的正确形式写在题号后面的横线上。(每空只写一词)

65. The sudden ________(到达) of guests forced her to change her plans.　　　　 76. __________