Answer:
I believe governor-elect would be hyphened.
This would be,
Our new governor-elect was once a great football player.
" At four he decided to get it over with and started walking to Sandra's house, trudging slowly, as if he were waist-deep in water. " is the correct answer.
Every fall, the oak tree in the garden sheds <u>its</u> leaves.
Hope this helps! :)