Đặt câu hỏi cho phần gạch chân trong những câu trả lời sau. 6. Ethnic people often hold festivals in spring. ………………………………………………………………………………? 7. Life in the mountainous areas is quite difficult because of the extreme weather. ………………………………………………………………………………? 8. In the remote areas, it may take people half a day to travel from their house to the market. ……………………………………………………………………………… 9. Shortage in electricity and fresh water supply makes life in remote areas so difficult. ………………………………………………………………………………? 10. The local authorities try to help the ethnic minorities by teaching them effective farming methods. ………………………………………………………………………………?