Apostrophes Practice

Add apostrophes where they are needed.  Take out unneeded or incorrect apostrophes.

1. The dog licked it's paws.
2. Dog's are so gross!
3. It's hard for me to even imagine where that dog's been.
4. It cant have been any place thats too clean!
5. But, its impossible to teach a dog not to lick its paws.
6. Dogs have been licking dogs paws for age's.
7. I would never lick a dogs paws, so dont even ask me to.
8. What's strange is that cat's clean their paw's by licking.
9. Why doesnt it gros's me out when I see a cat lick its paw's?
10. If youre a dog, don't lick you'r paws; its gross.