Fill in mustn’t or don’t /doesn’t have to. I _________go to school on Sunday. We _________ make noise. My little sister is asleep. You _________ to eat it if you don’t like. Tim _________to study music this year. When you are in the forest you ________ drop litter.

1. mustn't go

2. mustn't make

3. don't have to eat

4. doesn't have to study

5. mustn't drop