Ответ:

6. а

7. с

8. а

9. а

10. с

11. b

Verified answer

Ответ:

6 - mustn't

7 - has

8 - us

9 - have been talking

10 - must

11 - forth

Объяснение:

6 - mustn't = prohibited

7 - Present Simple of 'to have'

8  - object pronoun

9 - since ==> Present Perfect Continuous

10 - must - something is highly probable

11 - ordinal number, no 'the' needed as there is possessive 'your' instead