问题描述：
首字母when you laugh,you will o_ your mouth and show your teeth,the healthier those teeth are,
the happier you look,why is that?
it is because your teeth are important in many w_ .if you take care of them,they'll heip to take care of you,strong healthy t_ help you eat the right food to help yougrow,they also heip you speak clearly.
brush your teeth t_ a day after breakfast and before beatime.
you also need to care about w_ you eat and drink.eat lots of fruits and vegetables and drink water instead of drinks.
the happier you look,why is that?
it is because your teeth are important in many w_ .if you take care of them,they'll heip to take care of you,strong healthy t_ help you eat the right food to help yougrow,they also heip you speak clearly.
brush your teeth t_ a day after breakfast and before beatime.
you also need to care about w_ you eat and drink.eat lots of fruits and vegetables and drink water instead of drinks.
问题解答：
我来补答展开全文阅读