A.Don't have milk,ice—cream,fruit or other food in the classroom or in the library.You must keep the room clean.
B.Doing sports is good,but please don't spend too much time on it.After you finish doing your homework,you can do your favorite sports for a short time.
C.Students shouldn't be late for school.If you are often late for school,you have a very bad habit.You should go to bed and get up early.
D.Your family rules are not strict (严格的) .It is good for you to do some sports.You can make your parents happy after a busy day if you can help to do some housework.
E.You must have a good talk with your parents.You can tell them that doing sports is also very important for you.
F.Don't read storybooks in class.You have to listen to your teachers carefully in class.Learning all the subjects well can help us a lot in study and life.