Fill in the blanks with must,mustn't,have,has,don't/doesn't have,needn't you bring your tracksuits for your pe (physical education) classes. must 2. the monitors to be cleaned before leaving every night. that's number 1 rule. 3. those who finish their exam start making noise. 4. the workbooks be brought to the class unless i tell you to bring them. 5. students to pay for the transportation as the university has its own bus system. 6. if a student breaks a school rule, s/he to stay at school after hours to meet with the principle. 7. students come to class late. 8. you hand in your assignment before the deadline. 9. this is a private school, so the students to wear their uniforms at all times. 10. students stay at school during lunch break, they can go out.