Срочно

Rewrite the sentences, using an appropriate modal.
1. It’s necessary for you to go to the supermarket.
You _____________ to go to the supermarket.
2. I advise you to revise for exam.
You ______________for your exam
3. Students are obliged to be in class by 9.00 am.
All students ________________ in class by 9.00 am.
4. You don’t have permission to enter this building.
You ____________________ this building.