5) complete the sentences with have to or has to, don’t have to, doesn’t have to 1. my sister wants to be a musician. she … play the piano every day. 2. i can’t play basketball this evening. i … prepare for an exam. 3. does she … cook an apple pie? 4. you …clean parrot’s cage. i have already done it. 5. my dad … give our pet meat or fish. only a special dry food.