Bài 5: Điền 1 từ để hỏi vào câu sau: 1. A. ______ is the class monitor? B. Dan is. 2. A: ________ is the biggest house in this village? B: The communal house (nha rong) is. 3. __________ do the San Diu mainly live? – In Quang Ninh province. 4. _____ do they cook five coloured sticky rice? – On Tet holiday. 5. A: __________ is the waterwheel used for? B: It is used to get water to the fields. 6. _______ groups of languages do all ethnic groups speak? – Eight groups. 7. A: _____ do you think is the most interesting museum in Ha Noi? B: The Museum of Ethnology 8. - ______ stilt house is the largest in the village? - My uncle's stilt house. 9. ________ is the village chief of the Phu La? – The oldest man. 10. ____ do people use stilt house? Because they don't have enough money for big house.