1) Fill in the gaps with must or mustht and you`ll get a song. School nuiform You____mustn`t______wear shorts Every day! (I don`t know why) Who looks cool You__musnt`t______ run in corridors In blue and grey? And where`s your tie? You__musnt`t____wear Jeans You___musnt`t____tell a teacher And your shoes are hot clean If you feel in dange. You____must___be here You____must___ask first At eight fifteen. Before you go with a stranger.