Questions 11–16: fill in the blank in each of these sentences by forming the correct plural possessive of the noun in parentheses. 11. we waited several hours for the (man) decision, then went ahead. 12. the door of the (airplane) hangar had to be repaired before they could takeoff. 13. two insurance companies were involved, and both (company) forms had to be completed. 14. the difference in quality between the two (sheep) wool was apparent. 15. the dental technician told me that flossing was for my (tooth) protection. 16. we were present when our (brother-in-law) new restaurant was opened for business.