| 1 | The teacher erases the sentence with an eraser. | |
| 2 | Please clean the blackboard with the eraser. | |
| 3 | Miss Grant: Where's the eraser, Alan? | |
| 4 | Obviously whiteboards require markers and erasers. | |
| 5 | I don't know if they have pens over there. So you have to bring pens. And an eraser. |