A rich woman is so proud (41) a valuable antique(古董) vase that she decides to have her bedroom (42) the same colour (43) the vase. Several painters try to mix the colour right, but (44) comes close enough to satisfy the woman. ually, a painter comes. He is confident that he can (45) the proper colour. The woman is pleased with the result, and the painter becomes (46) . Years later, he retires and turns the business (47) to his son. "Dad," asks the son, "there’s something I’ve got to know. (48) did you get those wails to (49) the vase so perfectly" "Son," the father replies, "I painted the (50) \