how to brush your teeth　
　　　　　how to brush your teeth? you should brush your teeth twice a day. first, brush your teeth the inside surface of you teeth. always move your brush in small circles. next brush the outside surface of your teeth. then brush the biting surface of your teeth. after that wash your mouth with water. you should eat a lot of vegetable and fruit. you shouldn’t eat lots of chocolate and sweets. they are not good for you teeth! 　　
　
　　　　　　　　该如何刷你的牙齿？　
　　　
　 你一天两次应该刷你的牙齿。首先,刷你的你牙齿内部的表面牙齿。总是移动小的圆周你刷子。接下来刷子你的牙齿外面的表面.。然后刷你的牙齿刺痛的表面。最后在有水的地方洗你嘴。你应该吃许多蔬菜和水果。你不应该吃许多巧克力和糖果，它们对你的牙齿不好!