A man was at the dentist’s. After the painful (11) , the patient asked the dentist how much the (12) was. "Five dollars

A man was at the dentist’s. After the painful 11 operation, the patient asked the dentist how much the 12 charge was. "Five dollars," 13 replied the dentist.
   "What! Five dollars?" the patient cried in 14 surprise. "Why? You 15 promised to charge only one!" "Yes," answered the dentist, smiling, "That was the regular charge, but you cried so loudly that you frightened away four other patients."