73. In my opinion, you should come back after you finish you studies abroad.
在我看来，你结束留学后应该回国。
74. For another reason, I think it will be much more convenient for you to look after you parents as they are getting old.
另一个原因，我认为你回国可以更方便地照顾你日渐年迈的父母。
75. Classes in our school usually finish at four in the afternoon.
我们学校通常下午四点下课。
76. I am so sorry that I won't be able to attend tomorrow's lecture on American history.
我很抱歉，明天我不能参加那场关于美国历史的演讲。
77. While 25 minutes is spent on sports, only 12 minutes goes into housework.
花在教育锻炼上的时间是25分钟，只有12分钟的时间用来做家务。
78. Maybe you forgot you spent the money on something else yesterday afternoon.
你可能忘了昨天下午你花钱买了其他东西。
79. Good habits are the crosscut to success.
80. I was deeply moved by the young boy, because I know Lei Feng is still living in our hearts.
那个年轻的小男孩深深地我相信雷锋一直活在我们的心中。
81. Many new houses had been built and roads had been widened.
很多新的楼房建了起来，路也都拓宽了。
82. It is more than ten months since we last met.
从我们上次见面到现在已经有十个多月了。
83. It's very nice of you to help me with my lessons every day.
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