题目内容：

 

1._______(健康）is important to everyone.

2.My brother is a lazy boy，and he h__________ever exercises every day.

3.It is a good habit to brush your teeth at least_______(两次）a day.

4.There is something wrong with his teeth. He should see a ______(牙医).

5.1 often help my mother do some h_________, such as washing, sweeping the floor and so on.