Christmas Knock-Knock Posted on December 2, 2015December 2, 2007 by admin Knock-Knock Who’s there? Mary Mary who? Mary Christmas! Spread the love Related posts: Knock KnockWho’s there?Marcella!Marcella who?Marcella is Knock KnockWho’s there?Thayer!Thayer who?Thayer sorry Knock KnockWho’s there?Beets!Beets who?Beets me! Knock KnockWho’s there?Oman!Oman who?Oman, you