7、A miser（守财奴）sold all that he had and bought a lump of gold, _ _ _ 21 _ _ _ he buried in a hole in the ground by the side of an old wall and _ _ _ 22 _ _ _ to look at daily. One of his workmen observed his frequent visits to the spot and decided to watch his movements. He soon discovered the secret of the hidden treasure, came to the lump of gold, and _ _ _ 23 _ _ _ it. The Miser, on his next visit, found the hole empty and began to tear his hair and to cry. A neighbor, seeing him overcome with grief（悲伤）and learning the cause, said, “Go and take a stone, and place it in the _ _ _ 24 _ _ _ , and fancy that the gold is still lying there. It will do you quite the same service; for when the gold was there, you did not _ _ _ 25 _ _ _ the slightest use of it.”