Использовать правильные модальные глаголы
use the correct modal verb.

1 must

2 was able

3 have to

4 must

5 should

6 have

7 might

8 mustn't

9 need to

10 had to

1. Must

2. Couldn't

3. Must

4. Should

5. Should

6. Ought

7. May

8. Mustn't

9. Should/need to

10. Should have