Task 2: Change each sentence Into a question using the question words in brackets. 1. The girl with a shawl on her head is a member of the Thai. (who) 2. The Khmer have three main festivals in a year. (how many) 3. Odu is the smallest ethnic group in Vietnam. (which) 4. Om Bok Festival is the biggest festival of the Khmer people. (what) 5. We can find terraced fields in the northern mountainous regions. (where) 6. Bom Bo village is about 200 kilometers from Ho Chi Minh city. (how far) 7. They built their houses on stilts to prevent flooding from tides or storms. (why) 8. The population of the Tay ethnic group is about 1.7 million. (what) 9. Tay has lived in Vietnam for thousands of years. (how long) 10. The M'nong mainly live in Dak Lak province. (where)