9. Используйте верный модальный глагол (can, should, must): 1. You 2. I 3. She 4. We 5. They

Решение:

1. You should wear a seatbelt in the car.
2. I can speak English fluently.
3. She should (or could) study harder for her exams.
4. We must protect the environment.
5. They can (or should) arrive on time.