Question

Underline the correct option in each sentence.
1. We have to leave at nine o'clock so you mustn't/don't have to be late.
2. Come if you want to, but you mustn't/don't have to.
3. You mustn't/don't have to talk when the teacher is speaking.
4. You mustn't/don't have to leave the class without your teacher's permission.
5. Please help yourselves to food. You mustn't/don't have to ask.
6. During the visit to the museum, you can wear your school uniform if you want to but
you mustn't/don't have to
7 Your father will be worried about you so, you mustn't/don't have to forget to call
him when you arrive there.
8. He's very rich. So he mustn't/doesn't have to work.​

Answer 1

Answer:

1. Mustn't

2. Don't

3. Mustn't

4. Mustn't

5. Don't

6. Mustn't

7. Don't

8. Doesn't