Change each sentence Into a question using the question words in brackets. 6. Bom Bo village is about 200 kilometres 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. The Tay have lived in Vietnam for thousands of years. (how long) ____________________________________________________________________ 10. The M’nong mainly live in Dak Lak province. (where) _________________________________________________________