Answer my Riddles :)

Answer my Riddles :)

     

What does a cat have that no other animal has?

- Kittens.

What two keys can't open any doors?

- A Donkey, and a Monkey.

What is the greatest worldwide use of cowhide?

- To cover cows.

What ship has two mates, but no captain?

- A Relationship.

What kind of dress can never be worn?

- An address.