Buat 20 tata tertib di sekolah dgn menggunakan must/must not. Please bantu!

you must follow rules in the school
you must not smoking in the school

1.All students must arrive on time
2.All students must wear the appropriate uniform
3.All students must have a sense of courtesy
4.All students must cut their nails to maintain their health
5.All students must wear long white socks at least calf-high