Knock! Knock! Who’s there? To… Knock! Knock! Who’s there? To. To who? It’s to whom. Click to rate this post![Total: 1 Average: 1]save share share Related posts: Knock, knock. Who… Knock! Knock! Who’s there? Rhino… Knock! Knock! Who’s there? Déja… Knock! Knock! Who’s there? Police…