A Turn these sentences into interrogative sentences. (Chuyển những câu khẳng định sau sang dạng nghi vấn.) 1. The Tay ethinic group is the second largest ethnic group in Viet Nam. J 2. We don't live in a stilt house. C 3. Mike likes Ao dai, the traditional clothes in Viet Nam. J 4. My mother often weaved sweaters for me when I was small. C 5. Dan tinh is a popular musical instrument of the Tay people. C 6. We won't learn about farming techniques next week. C 7. You should collect ash to enrich the soil. 8. The stilt houses have many different sizes and colours. C 9. We use our living room for family gathering and receiving guests. C 10. Children nowadays can learn traditions through stories.