老师让我把错误擦掉，然后正确地写出来。

The teacher told me to ___rub ___out the mistake and write it correctly.

我们需要把这面墙上的涂鸦擦掉。

We need to ___rub ___out the graffiti from this wall.

你可以用这块橡皮擦掉铅笔痕迹。

You can use this eraser to ___rub ___out the pencil marks.