根据短文内容, 用方框中所给词的正确形式填空, 使短文完整、正确。（每个词只能用—次, 有两个多余词）

add oil education use still so many at friend speak with encourage

When the people around us feel down, we usually say jiayou. When we watch the dragon boat races, we can also hear jiayou. We usually say it when we 66 someone. It means "add oil" in English. But where is it from? And why do we __67 _ it ?

There is a story behind "add oil". It took place during the Qing Dynasty. "Add oil started __68__ an official（官员）named Zhang Ying. He was the zhifu, or mayor（市长）, of Xingyi in Guizhou. He believed that good 69 could help build a strong country, _ 70 he tried to develop local education better. What he did made much _ 71 _ people study.

He sent lower officials to walk around the city at night with buckets（桶）of _72__. In ancient China, people used oil lamps（灯）at night. If these officials saw the light of oil lamps in someone's home and heard the sound of reading, they would knock on the door and say, "The mayor 73__ oil for your lamp!" The officials would then give the person oil so that he could study till the night.

Zhang did this and paid for the oil for 13 years. Many young people in Xingyi later became officials, poets and scholars（学者）. "Add oil" is _ 74 _ used today. Next time, say jiayou to your _75_ when they need you to cheer them up. It's very useful.