1. She....... (should stop) worrying so much.
2. You....... (can't eat) in the classroom.
3. Our teacher says we...... (must finish) the report by Friday.
4. It.... (may rain) later, so bring an umbrella.
5. He..... (could walk) for hours when he was younger.
6. If you sit in front of a laptop for too long, you.... (may get) backache.
7. We.... (must respect) the others ).
8. .....(Would you like) some coffee? Yes, please.