| 1 | The city center is only a few kilometers away. | |
| 2 | The train travels at an average speed of 60 kilometers per hour. | |
| 3 | I jog three kilometers every morning. | |
| 4 | After running a few kilometers, I need to take a break. | |
| 5 | In the past, I could run 10 kilometers without stopping. |
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