Insert a corrrct article(a,an,the)if necessary to complete the following sentences

1.Among 54 ethnic groups in Viet Nam,the Odu group has..............smallest population

2.There is............stilt house in my grandparents village

3.In Tay families,old people usually stay at.,.............home to look after....................house

4.Although Phong is............member of the Nung ethnic group,he wears.............uniform when he goes to school

5.This is..................old costume of the Pupeo people

6,The chapi is........................unique musical instrument of the Raglai people