問題詳情：
71. After some discussion we arrived at a c (妥協).
72. It is not polite to i (打岔) when someone is talking.
73. I’m lucky that I’m interested in school work, o (否則) I’d go mad.
74. A good diet is b (有益的) to health.
75. I forgot all about it because I was so o (忙碌的) with other things.
【回答】
71. compromise 72. interrupt 73. otherwise 74. beneficial 75. occupied
知識點：完成句子
題型：單詞拼寫
