1. my sons in law's homes
2. Arkansas' rivers
3. Jim and Joan's house
4. the PhD's research
5. McGraw-Hill inc's Advertising
6. Fred the electrician's estimate
7. anyone else's idea
8. witnesses' depositions
9. The airport's upper level
10. one of my friend's daughter.

1. The tree surgeon could not save the white spruce's limb.
2. The new software package's user manual was so confusing that most people returned it.
3. Windows' intuitive commands make it easier to move from one application to the next.
4. I will be in Hawaii on Mother's day, in New Mexico on April Fool's day, and in California on Veteran's day.
5. Grover Cleveland was the people's choice.
6. Each participant filled out the Reader's comment form.
7. Now that he has his bachelor's degree, he plans to get his master's, and possibly his doctorate.
8. The national Secretaries' Conference will be held in Houston this year.
9. For appearance sake, the feuding vice presidents kept their differences to themselves during the monthly staff meeting.
10. My brother in law's idea was to have the family reunion at the spa.
11. We have been invited to the Roth's holiday party.
12. The telephone company president's idea was to offer discount rates to seniors.