Rewrite each sentence to include a singular possessive noun

Exercise 7: Rewrite each sentence to include a singular possessive noun.
1. She dropped the toy of the baby.
→ She dropped the baby's toy.
2. He painted the house of my dog.
3. I wear the cap of my friend.
4.the class of mr gee is in the hall
singing of mom woke me up
6 I washed the windows of the car