题目内容：

Read the passage and fill in the blanks with proper words (在短文的空格内填入适当的词，使其内容通顺。每空格限填一词，首字母已给)

When you laugh，you will open your mouth and show your teeth．The healthier those teeth are，the happier you l___1.____. Why is that?

It’s because your teeth are important in many ways．If you take care of them，they’ll help to take care of you．S____2.___ and healthy teeth help you eat the right food to help you grow．They also help you speak clearly．

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

Brush your teeth t___3.____ a day---after breakfast and before bedtime. If you can, rush after l___4.___ or after eating sweet cakes.

Brush all of your teeth，not just the front ones．Spend some time on the teeth along the sides and in the back．Take your time while brushing．Spend at l___5.____ 3 minutes each time you brush.,

Be sure your toothbrush is soft．Ask your parent to help you get a new toothbrush every three month．

Learn how to floss (用牙线清理) your teeth, which is a very important way to keep them healthy. It feels strange when you do it at first, but soon you'll be u____6.__ to doing it. The floss gets rid of food that's hidden between your teeth.

Brushing and flossing keep your teeth healthy. You also need to care about what you eat and drink. Eat a lot of fruits and vegetables and drink water i_7.__ of drinks.