| 1 | To catch the flight, we must keep up with the time. | |
| 2 | When working, you must make good use of time and not delay until tomorrow. | |
| 3 | We need to act fast. We can't afford to wait any longer. | |
| 4 | We need to hurry up and go to the mall to grab discounted goods. | |
| 5 | The college entrance examination is coming soon, and you need to make up for your studies as soon as possible. |
