51. | Most criminals commit their first crime between the ages of fifteen and twenty . |
| 大多数罪犯首次犯罪是在15到20岁之间。
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52. | More than thirty head of cattle had been crushed into a lorry that was only enough to take twenty . |
| 30多头牛被塞进一辆只能装20头牛的卡车里。
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53. | He was for nearly twenty years our associate on the council. |
| 他在近20年的时间里一直是我们委员会的同事。
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54. | We spent nearly twenty years on the project. |
| 我们这项工程花费了近20年的时间。
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55. | How much is twenty divided by five? |
| 20除以5得几?
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56. | She taught school for twenty years. |
| 她教了20年书。
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57. | There are buses over twenty years old which are still in service. |
| 有些20多年前的公共汽车现在还在使用。
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58. | There the snow often drifts to a depth of fifteen or twenty feet. |
| 那里被风吹积起来的雪堆常常高达15至20英尺。
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59. | This part of town has gone to seed in the past twenty years. |
| 城市的这一部份在过去20年中失去了活力。
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60. | That overcoat stood me in twenty dollars. |
| 那件大衣花掉我20美元。
|