一年3班 张果 31号 How Many Birds Left in the Tree
发布人：新闻
发布日期：2021-06-16
Alice（张果）
Class Three Grade One
No. 31
How many birds left in the tree? (twelve snake tree)
There are twelve birds in the tree.
Here comes a snake.
The snake ate a bird.
How many birds left in the tree now?
...
Zero.
Aha!