4 Complete the sentences with don't have to, doesn't have to or mustn't.​

1. Mustn't

2. Don't have to

3. Doesn't have to

4. Don't have to

2. He mustn't eat in here - it isn't allowed.

3.I have to give this to the teacher until Friday.

4. She doesn't have to use those scissors - they're dangerous.

5. You mustn't forget to feed the cat.