Read the rules of one of Moscow schools. Use must, mustn’t can, can’t. Students __________ wear a school uniform every

1. Students must wear a school uniform every day, but on Friday they can be dressed as they wish. 2. Students mustn\'t be late for the lesson. 3. Students can ask for help and have extra-classes. 4. Students mustn\'t talk at the lesson. 5. Students can ask a question only with their hand raised.