题目内容
When you laugh,you will 41. o your mouth and show your teeth. The healthier those teeth are,the happier you look. Why is that?
It's because your teeth are important in many 42. w . If you take care of them,they'll help to take care of you. Strong healthy 43. t help you eat the right food to help you grow. They also help you speak clearly.
Brush your teeth 44. t a day after breakfast and before bedtime.
You also need to care about 45. w you eat and drink. Eat lots of fruits and vegetables and drink water instead of drinks.
41. open 42. ways 43. teeth 44. twice 45. what
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