Respuesta :

xihella

in order:

1.  concerns

2. emergency

3. circumstances

4. apparently

5. event

6. ongoing

7. treated

8. crashed

9. considering

10. allow

11. overcome

12. background

13. count on

14. argument

15. challenge

16. disagreed

17. dangerous

18. courageous

19. coincidence

20. point.