Вставить "mustn"t , don"t/doesn"t have to 1) i__go to school on sundays 2) we __ make noise.me little sister is asleep 3) i__spend much money 4) i__ do this exercise in writing 5) he__ forget to mail this letter tomorrow 6) you__come to the party 7) you __ to eat it if you don"t like it 8) they __to study music this year