| 21. | When does the concert begin? |
| 音乐会什么时侯开始？
|
| 22. | When does spring end and summer begin? |
| 春天在什么时侯结束,夏天从什么时侯开始？
|
| 23. | When did the world come into being? |
| 世界是何时开始存在的？
|
| 24. | The branch bent but didn't break when the boy climbed along it. |
| 那男孩爬上树枝时,树枝弯曲了,但是没有折断。
|
| 25. | The garden looks lovely when the roses are in bloom. |
| 玫瑰花开时园内美丽诱人。
|
| 26. | Doctors used to bleed people when they were ill. |
| 从前医生常常给病人放血。
|
| 27. | A policeman was killed when his booby-trapped car blew up. |
| 警察被藏在他汽车里的炸弹炸死了。
|
| 28. | When he's depressed he sits brooding for hours. |
| 他消沉的时侯,就坐着沉思几小时。
|
| 29. | The bottom fell out of his world when his wife died. |
| 他妻子死时,他的世界陷于崩溃(他的生活失去了意义)。
|
| 30. | When do you break up for Christmas? |
| 你们什么时侯放圣诞节假？
|