1. 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。 2. 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。 3. 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。 4. Good habits are the crosscut to success. 好习惯是成功的捷径。 5. 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感动着我,因为我相信雷锋一直活在我们的心中。