Hello， Mary。Welcome to our class。 Here are our class rules。 You must read it carefully。 As a middle school student we can’t arrive late for class on weekdays。 We must wear clean clothes every day。 We must stand up when a teacher goes into the classroom。 When you have nay questions

in class， please put up your hands。 We have to eat and drink in the dining room We have to clean our classroom every day。 Don’t leave school if you are not allowed（允许） 。 I wish you can obey （遵守）these

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rules。 Thanks !