填空题.February 14 is Valentine's Day. Although it is celebrated as a lovers' holiday today, with rite giving of candy, flowers, or other gifts between couples in love, it originated in 5th Century Rome as a tribute 1 St. Valentine, a Catholic bishop. For eight hundred years before the 2 (establish) of Valentine's Day, the Romans had pr 3 a pagan(异教徒) celebration in mid-February honoring young men's ceremony of passage to the god Lupercus. The celebration was characterized by lottery in 4 young men would draw the names of teen 5 girls from a box. The girl given to each young man in this way would be his companion the rest of the year. In an effort to do away with such a f 6 , Pope Gelasius ordered a slight change in the lottery. Instead of the names of young women, the box would contain the names of saints. 7 the men and women were allowed to draw from the box, and the game was to imi 8 the ways of the saint they drew during the rest of rite year. However, many young Roman men were not too pleased 9 the copying. Instead of the pagan god Lupercus, the Church looked for a suitable saint of love to take his p 10 . They found an appropriate choice in Valentine, who, in AD 270 had been killed by Enter Claudius.