Read the following passage and choose the correct answer that best fits each of the following blanks.
The Nung have about 1 million people, ranking 7th in population among Vietnam's 54 ethnic groups. They live mainly (22) __________ northern provinces of Lang Son, Cao Bang, Bac Can, Thai Nguyen, Bac Giang, and Tuyen Quang. The Nung people have a long history of development and (22) __________ unique customs.
The Nung people (24) __________ in small villages of about 30 to 70 households. They traditionally live in stilt houses. Their clothes are plain with the main indigo colour and without embroidery. (25) __________ wet rice is their main source of living. They also go to the forests to pick wild vegetables and mushroom for daily meals.
The Nung people (26) __________ many festivals in a year. The most famous ones are the Long Tong and the Thanh Minh festival. The Nung have a rich folk culture of songs and music. Their markets sell various kinds of products, (27) __________ the Nung go to the market not only for trading, it's also a place for meeting friends and young people dating.