填空题


A man was at the dentist’s. After the painful (11) , the patient asked the dentist how much the (12) was.
"Five dollars," (13) the dentist.
"What! Five dollars" the patient cried in (14) . "Why You (15) 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."


【参考答案】

operation