Choose the most appropriate options.

1. It's a great film. You must / have to see it.
2. My mum says that I must / have to tidy my room every day!
3. I'm terribly hungry. I must / have to eat something now.
4. The museum rules say that all visitors must / have to walk around with a museum guide.
5. At our school the students must / have to wear a blazer, a shirt and a tie.