Song *school Rules Rap, 1) Fill in the gaps with must or mustn't and you'll! get a song. School uniform You wear shorts Every day! (I don't know why) Who looks cool You run in corridors In blue and grey? And where's your tie? wear jeans You tell a teacher You And your shoes are not If you feel in danger. clean. You ask first You be here Before you go with a stranger. At eight fifteen.