英语阅读理解Dear students,The following rules are for you at Hop s

英语阅读理解
Dear students,
The following rules are for you at Hop school.Please read them carefully.
1.Stand up when a teacher or a goes into the classroom.
2.You have to be in a classroom or study places during lesson time.
3.Arrive in time for the start of each lesson with the things you need so that you are ready to start work.
4.Wear smart ,clean clothes.No long hair for boys.
5.Don’t leave the school if you are not allowed.
6.You can’t take food and drink from the dining-room.
7,You can’t use mobile phone in school
Class 1
what can't students use in school?___________________________