Knock, knock.
Who’s there?
Tuba.
Tuba who?
Tuba of toothpaste!
Knock, knock.
Who’s there?
Wilma.
Wilma who?
Wilma lunch be ready soon?
Knock, knock.
Who’s there?
Good.
Good who?
Goodbye.
Knock, knock.
Who’s there?
Anita.
Anita who?
Anita a tissue! Ah Choo!
Knock, knock.
Who’s there?
Wire.
Wire who?
Wire you asking?
Knock, knock.
Who’s there?
Tank.
Tank who?
You’re welcome!
