The Clue Humpty Dumpty ___ on a wall..
The Answer SAT
The answer "SAT" fits the clue because it completes the well-known nursery rhyme about Humpty Dumpty. In the rhyme, Humpty Dumpty is described as sitting on a wall. The word "sat" indicates the past tense of "sit," making it the correct word to use in this context. This line is a memorable part of the story, which helps many people remember the rhyme.