阅读下面的短文， 根据短文内容从下面方框中的七个选项中，选出五个适当的句子还原到短文中，使短文意思通顺，结构完整。

How to Protect( 保护 )Your Teeth

       91   . The first of twenty being to grow when you are over six months old. The second set of thirty-two grows from the age of six until you are about twenty-one years old.

       92   , you must drink plenty of milk and eat greens.

       93   . Or little food will be left on or between them to cause decay (蛀牙). Make sure that you turn the brush and go up and down as well as brushing side ways. Use dental floss (牙线) to make sure all food is removed from in between each tooth, if you can’t brush your teeth after eating , raise them with water, or eat an apple or a carrot.

      94   . If there is a hole in a tooth, he or she will fill it. If you do not have it filled, then the hole will grow larger. When a hole grows too big,    95   . It is better to keep all your second set of teeth for as long as possible. Filling a gap where a tooth has come out with a kind of bridge and using a false tooth costs a lot of money.