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

54. Nga eats more **unhealthily** than Tung does because she likes fast food. (healthy)
55. The **communal** houses of many ethnic groups are used to worship the ancestors. (commune)
56. Most of the Central Highlands is **mountainous**. (mountain)
57. Do villagers today dress **traditionally** as in the past? (tradition)
58. I am **interested** in her hometown with a lot of paddy fields. (interest)