2. Choose and write must/mustn't have to / don't have to. 1. Visitors of the zoo
feed the animals.
2. You
drive so fast; we have a lot of time.
3. You
put salt in her food; the doctor said she can't eat salt.
arrive on time for class.
4. Teacher: 'You
5. I don't like these clothes, but I

1. 1. Visitors of the zoo mustn't

feed the animals.

2. You don't have to

drive so fast; we have a lot of time.

3. You mustn't

put salt in her food; the doctor said she can't eat salt.

4. Teacher: 'You must arrive on time for class.

5. I don't like these clothes, but I have to

wear them at work.