1. c) had we known, would have prevented2. b) to address, knew3. d) have, am feeling, is4. c) dying, have been, different5. d) had been, such___6. c) going, to breathe, had been running7. d) wouldn't find, another, if, tried8.a) had taken, would feel, much better9. b) clearly, had happened10. d) had read, would know, to answer11. b) were, late, would stay12. a) if, had heard, would never believe, such13. a) to fulfil, be14. c) repaired, should be, the , the15. d) should return, the16. d) said, had, her go17. c) blew, beat, was not sitting, comfortably18. b) will come, if, prevents19. d) had finished,___, have, the20.b) good, anyone, did, would have had