Fill in must mustn't have to don't | doesn't have to ( только не с интернета там нет правильного сделайте сами ) 1. go to school on sundays. 2. make noise. my litlle sister is asleep. 3. spend much money. 4. this exercise in writing. 5. forget to mail this letter tomorrow. 6. come to the party 7. to eat it if you don`t like it. 8. to study music this year.