1·He bought a yellow balloon and a green balloon!
他买了一个黄色的气球和一个绿色的气球!
2·I like red and yellow balloon.
我喜欢红色和黄色的气球。
3·This yellow balloon is very small.
这个黄气球很小。
4·Anna has a yellow balloon.
Anna有一个黄色的气球。
5·This is my yellow balloon, my yellow, yellow balloon. Up it goes. Pull it down! Up it goes.
这是我的黄色的气球,把它放飞,把它拉回来!