Fill in the gaps must, mustn39;t, have to, don39;t have to

Fill in the gaps must, mustn39;t, have to, don39;t have to / doesn39;t have to and the verbs: visit, touch, go, buy, learn, be polite, walk. 1.l ... to my guests. 2. You. ... her books. She39;ll be very angry. 3. You. ... me a new bicycle. My old one is very good. 4. You ... your granny. She39;ll be very happy to see you. 5. I .... to the shop and buy a warm jacket. 6. Mother ... the dog. We always do it. 7. You ... this song by heart. Your teacher won39;t ask you to sing it.