Transform these sentences into a Yes/ No Question

Exercise 3. Transform these sentences into a Yes / No Question.
1. The local people walk to the market every day.
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2. Artists from the Central Highlands will give Cong performances in the festival.
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3. The Hoa Ban Festival takes place in Lai Chau.
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4. It is three kilometres from the village to the nearest river.
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5. I have been to Sapa several times.
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6. I have been to Sapa several times.
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7. We can find terraced fields in the northern mountainous regions.
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8. They built their houses on stilts to prevent flooding from tides or storms.
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9. The Tay are the earliest known minority in Viet Nam.
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10. The population of the Tay ethnic group is about 1.7 million.
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