阅读填空（共1小题）
阅读下面材料，在空白处填人适当的内容（1个单词）或括号内单词的正确形式。
In the Tibetan language，“Guozhuang dance”means singing and dancing in a circle．It is very popular in Tibet and places like Yunnan，Qinghai and Gansu_________Tibetans live．
In the dance，men and women of an equal number form a circle hand in hand with one．person________（act）as the leading dancer．The whole song begins with slow part．and gradually_________（turn）fast．Men always take the first lines of lyrics（抒情歌），________women reply．The dance involves repeated_________（music）dialogues between male and female dancers．
Guozhuang dance is rich in content and flexible in steps．It changes with the________（develop）of Tibetan life and work，There are dances concerning daily work________crop gathering，wool twisting，cattle feeding and wine making etc；And  also there are dances presenting，________Tibetan customs and marriage traditions．
Guozhuang dance is a joyous dance．Whenever there are festivals or happy events，people of all ages will_______（happy）join the dance．
Guozhuang  dance________（catalogue）in the first set of the National Intangible Cultural Heritage（非物质文化遗产）since 2006．