----- Nội dung dịch tự động từ ảnh ----- Exercise 6. Underline the correct option. This may include a space (-) for zero article. 1. Vietnam is a/an/ the multiethnic country with 54 ethnic groups. 2 The Viet (Kinh) people account for 87% of a / the /- country's population. 3. Chaul Chnam Thmey is a/ an/ the celebration of New Year by Khmers. 4 Ancestor worship is the/a = most important religious activity among the Bru-Van Kieu. 5. The young Co Ho women play an/a/the active role in marriage. 6. The Ba Na are one of the /a/an oldest ethnic minority groups living in a/-/ the Central Highlands. 7. A/The /– M’Nong live in houses built on the /-la stilts.