Make questions for the underlined words of these answers

Exercise 4. Make questions for the underlined words of these answers.
1.    Mr. Pha goes cutting wood in the forest once a month.
2.    Artists from the Central Highlands will give cong performance in the festival.
3.    My father bought a costume of the Bahnar at an open-air market in KonTum.
4.    The Hani people live in Lai Chau and Lao Cai.
5.    The Coho celebrate their New Year holidays in December.
6.    It is 2 kilometers from here to the communal house.
7.    The Thai women's shawls are the most beautiful of all.
8.    The visitors got to Sila village on foot.
9.    My uncle has been Quang Nam to write an article about the Sedang.
10.    Pao spent three months to make this musical instrument.
giải thik vì sao