Complete the sentences with have to, has to, don't have to, or doesn't have to.

1. Your mum has to buy a ticket for me. I've got one. 2. You don't have to leave now. The café is closed. 3. We have to take sandwiches to school. We can't buy food at the café. 4. My friend's dad doesn't have to work. He's got millions of euros in the bank. 5. We can take mobile phones to school, but we have to turn them off during lessons. 6. I don't like basketball, but I have to play it at school in PE lessons. 7. You don't have to pay when you see a doctor in the UK — it's free. 8. We have to arrive at school by 8:20 because lessons start at 8:25.