Read the sentence and choose mustn't or don't have to.
1. We ____ go to school next week. It's the holiday.
1. don't have to
2. mustn't
2. You ____ cross the road when the traffic lights are red.
1. don't have to
2. mustn't
3. The concert is free. You ___ pay.
1.mustn't
2. don't have to
4. You _____ leave the door open - the dog can get out.
1. don't have to
2. mustn't
5. You ____ be tall to be good at football.
1. don't have to
2. mustn't