Choose the correct alternatives to complete the sentences.

1 You mustn’t / don’t have to bring a dog in here.
2 We can / should leave early if we want to get there on time.
3 You mustn’t / don’t have to learn Spanish. You can learn French instead if you want to.
4 You can / have to come to dinner at our house if you want to.
5 I’m afraid you can’t / don’t have to wait for the doctor here. Please go into the waiting room over there.