At our school, there are a few important rules to keep everyone safe and happy. First, we must always walk, not run, in the corridors. Second, we should always raise our hands before speaking in class. Third, we should be respectful to our teachers and friends. And finally, we must keep our classrooms and school yard clean. These rules help us learn better and be good friends.
Aşağıdakilerden hangisi yukarıdaki metne göre okul kurallarından biri DEĞİLDİR?
A) You must run in the corridors.
B) You should raise your hand to speak.
C) You must be respectful to teachers.
D) You should keep the school clean.