1. You _____ wear a helmet when riding a motorbike.
2. I _____ go to school tomorrow because it’s a holiday.
3. We _____ touch that wire. It’s dangerous.
4. Do I _____ bring my own lunch?
5. You _____ park your car here. It’s a no-parking zone.
6. I _____ take my dog to the vet this afternoon.
7. _____ we pay to enter the museum?
8. She _____ work on weekends.
9. They _____ leave the building before 6 p.m.
10. Do we _____ clean the classroom after the lesson?
11. You _____ come if you're busy.
12. You _____ speak during the exam.
