Must 5 D Give advice. Use must and the words in the box buy some at the shop clean it feed him go to bed early learn the words tidy your room 1 I've got a spelling test tomorrow You must learn the words. 2 I'm always tired in the morning. 3 I can't find anything in my room! 4 My dog isn't happy. 5 I haven't got any glue for my project. 6 My bike is dirty