短文填空

根据上下文和括号里的汉语提示，在下面短文的空白处写出正确的单词或短语，使短文意思完整。

　　When you laugh, you will 1　　(张开) your mouth and show your teeth. The healthier those teeth are, the happier you look. Why is that?

　　It's 2　　(因为) your teeth are important in many ways. If you take care of them, they'll help to take care of you. Strong, 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 3　　(一日两次)－after breakfast and before bedtime. If you can, brush 4　　(午饭后) 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 5　　 (至少) 3 minutes each time you brush.

　　Be sure your toothbrush is soft(柔软的). Ask your parent to help you get a new toothbrush 6　　 (每三个月).

　　Learn how to floss(有牙线清理) 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 7　　(习惯于) doing it. The floss gets rid of food that's hidden between your teeth.

　　Brushing and flossing 8　　(保持) your teeth healthy. You also need to care about what you eat and drink. Eat 9　　(许多) fruits and vegetables and drink water 10　　 (代替) drinks.