Listen and repeat.

How many blue balls?有几个蓝色的球？

Three.三个。

How many red balls?有几个红色的球？

Two.两个。

Listen and say.

Then sing.

Red and yellow and pink and green.红色和黄色和粉红色和绿色。

Purple and orange and blue.紫色和橙色和蓝色。

I can sing a rainbow,sing a rainbow.我可以唱一唱彩虹，彩虹。

sing a rainbow,too.唱彩虹，也。