Grammar C. Choose the correct item.

1. B) mustn't 2. A) may 3. B) which 4. C) Neither 5. B) has to 6. B) can't 7. C) wasn't able to 8. A) who 9. A) where 10. C) Neither 11. B) mustn't 12. A) may 13. A) which 14. A) Either 15. C) which