| 1. | You must be as careful as possible when you do your homework
你在做作业时要尽可能地细心。 |
| 2. | I heard a knock at the door when / while i was doing my homework
当我正在做作业时，听到一声敲门声。 |
| 3. | They do not have to go far if they need help with their homework
如果做作业时需要帮助就不必跑远了。 |
| 4. | He made a fortunate decision when he went into advertising
当他决定晋身广告业时，他作了一次幸运的决定。 |
| 5. | He died on may 31 of sars contracted in the course of his professional practice
他于执业时感染综合症，于五月三十一日病逝。 |
| 6. | My father was reading an english magazine while i was doing my homework yesterday
昨天下午我做作业时,我爸爸在看一本英语杂志。 |
| 7. | “ if you decrease the height of the worktables , the machine operators will work more comfortably
“如果降低工作台的高度，机器操作工作业时就会舒服一些。 ” |
| 8. | Going back to basics will hopefully enable them to stay on track in the task of financial sector development
回到基本去，大家在发展金融业时便不会偏离正轨。 |
| 9. | When you ' re doing business in a second language , though , it ' s easy to sound uncertain
当你正在用第二外语做事业时，想当然，这会让你的语气容易听起来不是很确定。 |
