One day in 1953, a plumber called Harry _________ (work) in a cellar in York, England when he suddenly saw a Roman soldier on a horse. The horse with its rider ________ (step) through the wall of the cellar! More soldiers wearing helmets and carrying swords then followed _________ (they). Harry noticed that the soldiers looked _________ (short) than you would expect, even for ancient Romans. He ________ (not know) the reason until he realized their legs were below the floor of the cellar. In fact, archeologists who ________ (dig) in the cellar recently said it was once part of an old Roman road! That’s why the soldiers seemed to be ________ (walk) on their knees! Terrified, Harry ran out of the house. Later, he found out that some Roman soldiers ___________ (disappear) long ago while fighting in York. That was way back in the ________ (two) century and no trace of them was ever found. Maybe these were the soldiers that Harry saw!