Here are the completed sentences with the correct forms of the words in brackets:

1. Still houses are made from **natural** materials like wood, bamboo, and leaves. (nature)
2. The ethnic **minorities** in Vietnam have their own customs and traditions. (minor)
3. Which ethnic group has the largest **population** in Vietnam? (populate)
4. Some ethnic peoples in the **mountainous** regions still keep their traditional way of farming. (mountain)
5. Which do you think is more **colorful**, the Tay’s or Nung’s costume? (colour)
6. If you go to Sa Pa, you should try some **specialties** of the local people sold at the market. (special)
7. There are always regional **differences** in every country. (differ)
8. The 54 ethnic peoples of Vietnam are diverse, but they live in **peace**. (peace)
9. Five-coloured sticky rice is a **specialty** in many parts of Vietnam. (special)
10. The Museum of Ethnology has a huge collection of items of **cultural** importance from different ethnic groups in Vietnam. (culture)