I've never seen a dog climb a tree.

我从来没见过狗上树。

The little one stops to climb a tree.

一只小蚂蚁停下来去爬树。

Look! Where there is a cat climb a tree.

看！那儿有一只猫正在爬树。

The host asks: the cat would climb a tree?

主持人问：“猫是否会爬树?。

Five little monkeys climb a tree to watch Mr. Crocodile.

五只猴子爬树看鳄鱼先生。

Before you climb a tree, you must start at the bottom.

想攀树者必先从底下开始.

If crosswords are too easy and Sudoku a touch boring, why not go and climb a tree?

如果你觉得填字游戏太过简单，数独（一种运用纸、笔进行演算的逻辑游戏）又难的有点单调，为什么不去爬爬树呢？