21. _________ does Hung Temple Festival take place? – In Phu Tho. A. What B. Where C. When D. Why 22. _________ do the cattle provide the nomads? – Dairy products, meat and clothing. A. What B. Where C. When D. Why 23. _________ is this festival held among the ethnic group? – Every month. A. How B. How often C. When D. Why 24. The Tay is _________ second larrgest ethnic group in Vietnam. A. a B. an C. the D. 0 25. “Ruou Can” is _________ kind of fermented rice wine produced in Vietnam, especially in _________ mountainous areas like Tay Nguyen or Tay Bac. A. the-a B. a-0 C. a-the C. 0-the 26. _________ space of Gong culture in Vietnam considers Gong a connection between men and ___________ supernatural. A. the-the B. a-a C. an-an D. 0-0 27.Vietnam is __________ multi-ethnic country with over 50 distinct groups. A. the B. a C. 0 D. an 28.____ vast mountainous in Northern Vietnam takes up ________ third of the country’s total land area. (1 Điểm) the-the a-the the-a a-a 29.The Kinh is __________ majority ethnic group of _________ Vietnam. (1 Điểm) the-the the-0 0-a 0-the 30.________ changes in _______ Vietnamese culture are explained through myths and folktales. (1 Điểm) A. the-the B. the-0 C. 0-a D. 0-the