B. Choose the correct option.

1) She DON’T HAVE TO / DOESN’T HAVE TO / MUST wash the dishes now. I’ll do it later.

2) My brother HAVE TO / HAS TO / DOESN’T HAVE TO wear a tie at his work. He is a lawyer.

3) You MUSTN’T / MUST smoke in public places. It’s prohibited.

4) We have a meeting with our boss tomorrow at 9 am. We MUSTN’T / DON’T HAVE TO be late.

5) I HAVE TO / MUST / DON’T HAVE TO tidy my room today because I cleaned it yesterday.

6) We MUSTN’T / DON’T HAVE TO forget to set the alarms before we leave our house.

7) We MUST / DON’T HAVE TO bring our passports or we won’t board the plane.

8) You MUSTN’T / DON’T HAVE TO / HAVE TO drink and drive.

9) Sarah comes to the party because she DOESN’T HAVE TO / HAS TO / HAVE TO work tomorrow.