| 1 | Do we need to extend the warranty period? | |
| 2 | The earphone cable is too short, so I bought an extension cable. | |
| 3 | To extend lifespan, we need to strengthen exercise. | |
| 4 | The progress of this project has been extended by a month. | |
| 5 | Maintaining the car is a necessary measure to extend its service life. |
