单词拼写。根据英语首字母或所给汉语提示写出短文中所缺单词的正确形式。（共5小题，计5分）
Here is some a  （建议）on keeping your mind and body healthy.
First, you should get     （足够的）sleep every night. If you go to bed late, you will feel    (疲劳的) the next morning and you won’t be able to work well. Second, don’t forget to drink a lot of water. It’s good to drink at least six glasses of water every day. Third, you’d better not stay indoors(室内的) all the time. This is not good for you. You should go out for a walk every day to get some fresh air. You should also keep your body active and in this way you will become healthy and feel comfortable(舒适的) and confident(自信的).F   （最后）, don’t forget to brush your    (牙齿)two or three times a day.