根据短文内容，填入所缺单词，使短文意思完整。

     When you laugh, you will    1     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     2    . If you take care of them, they'll help to take

care of you. Strong, healthy    3     help you eat the right food to help you grow. They also help you

speak clearly.

     You can take care of your teeth    4     doing like these:

     Brush your teeth    5     a day-after breakfast and before bedtime. If you can, brush before lunch

or after     6    sweet cakes.

     Brush all of your teeth, not just the front ones. You should     7    some time on the teeth along the

sides and in the back.

     Take your time while brushing. Spend at least 3 minutes each time you brush.

     Be sure your toothbrush is soft (柔软的). Ask your parents to help you get a new toothbrush 

   8     three months.  

     Brushing keeps your teeth healthy. You also need to care about    9     you eat and drink. Eat

lots of fruits and vegetables and drink water   10      of drinks.

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