knock-knock jokes

here are some funny knock-knock jokes:
knock,knock!                knock,knock!             knock,knock!                    knock,knock!
who's there?                 who's there?             who's there?                     who's there?
cows go.                       Amos.                       Botany.                           Mary Lee.
cows go who?              Amos who?              Botany who?                    Mary Lee who?
no,silly,cows go moo!   Amosquito just bit me! Botany good locks lately? Mary Lee down the stream.

knock,knock!                 knock,knock!             knock,knock!                          knock,knock!
who's there?                     who's there?             who's there?                           who's there?
spell.                                hatch.                     a little old lady.                         stopwatch.
spell who?                      hatch who?               a little old lady who?                  stopwatch who?
okay,W-H-O.                  bless you and please      I didn't know you can yodel.   stopwatch your
                                      cover your mouth next                                             doing and open this
                                      time.                                                                       door!

they're  good  jokes,  aren't they?