Oh, yes. I want a new eraser.

　　噢，是的。我想要一個新橡皮。

　　Do they pass the eraser from one to another?

　　他們是把橡皮從一個人傳給另一個人嗎？

　　I have one ruler and he has one eraser.

　　我有一把尺，他有一塊橡皮。

　　I have a new eraser. It's a fish.

　　我有一塊新橡皮，它是魚。

　　Now where did my eraser go this time?

　　這回我的橡皮又到哪去了？