Sure! Here are the correct words to complete each sentence:

1. **Terraced fields** are agricultural areas that are constructed as a series of steps on hilly slopes.
2. The **stilt house** was a central meeting point for the community's events and celebrations.
3. Viet Nam is a multi-nationality country with 54 **ethnic** groups including the Kinh people, accounting for 87% of the country's population.
4. Some **minorities** like the Tay, Hmong, Yao... live mostly in the mountainous regions in the north.
5. Minority people in my village often gather around the campfire, singing **folk** songs late into the night.
6. The **bamboo flute** is a simple instrument consisting of a stem of bamboo, one mouthpiece, and 10 finger holes.
7. Five-colour **sticky** rice is one of the most popular dishes by the Muong in the north of Viet Nam.
8. The **roof** inside the Muong people's house was always made of wood in the old days.
9. The minority people in the north of Viet Nam grow crops to feed **livestock**.