阅读下面的短文，在标有序号的空白处填入一个适当的词，或填入括号中单词的正确形式，并将相应答案写在答题纸上。
Festivals have many origins, some religious, some seasonal, and some for special people and events.
Festivals of the Dead are   79  (hold) to honor the dead or to satisfy the ancestors, who might return either to help or to do   80 . For the Japanese festival Obon, people should go to clean graves and light incense in   81  of their ancestors.  
Harvest festivals can be very   82  events. People are grateful   83  their food is gathered for the winter and the agricultural work is   84 . In European countries, people will usually decorate churches and town halls   85  flowers and fruit. Some people might win awards for their farm produce, like the    86  (big) watermelon or the most handsome rooster. And in China, people   87  the moon and enjoy mooncakes.
Festivals let people enjoy life, be proud of their customs and forget their   88  for a while.