31. ______ should children do yoga too? A. Why B. When C. What D. How 32. Don’t worry. It is ______ to travel to that village even at night. A. safe B. unsafe C. difficult D. inconvenient 33. Life in a small town is _________ than that in a big city. A. peaceful B. much peaceful C. less peaceful D. much more peaceful 34. The boys oftens help their parents to _______ water from the village well. A. gather B. collect C. give D. find 35. In the Central Highlands, the biggest and tallest housse in the village is the _________ house. A. communication B. community C. commural D. commune 36. The Viet people have many ________ customs and crafts. A. tradition B. traditional C. culture D. customary 37. _______ month is the Hoa Ban Festival of the Thai people held in? A. When B. Which C. How many D. How often 38. The _________ on display in Da Nang Museum of Cham Sculpture are very interesting. A. items B. goods C. products D. shows 39. Viet Nam is a …………… country with 54 ethnic groups. A. bilingual B. ethnic C. diversified D. multi - cultural 40. Among the ………….., the Kinh have the largest population. A. ethnic minorities B. ethnic groups C. ethnic cultures D. majorities