Срочно... самостоятельная!!
Даю 98 баллов
Буду очень признателен

1. must not

2. must

3. don’t have to

4. should

5. have to

6. can’t

7. couldn’t

8. had to

9. will be able to

10. able to

11. ought

12. needn’t

13. should

14. need to

15. able to

16. may

17. aren’t allowed to

18. could

19. May

20. must