Choose the correct option to complete each sentence.

1. It isn’t far from here, so we can’t / don’t have to take a bus. We can walk there.
2. You don’t need to / mustn’t take any photos in the art gallery. It’s not allowed.
3. The film has amazing special effects. You must / mustn’t see it on the big screen!
4 You can’t / don’t need to take an umbrella. It’s not going to rain.
5. OK, you must / can go to the concert with Roy.