1. Knock knock… Who’s there? Little old lady… Little old lady who?… Hey, I didn’t know you could yodel! 2. Knock knock… Who’s there?… Interupting Cow. Interup… MOOOOO! 3. Knock knock… Who’s there? I eat mop. I eat mop who? 4. Knock knock… Who’s there? To… To who? To whom. 5. Knock Knock… Whos there? [...]