1. What is the price of a dish of five-coloured sticky rice?
How much does  a dish of five-coloured sticky rice cost
2. Would you mind carrying my basket for me, please?
Could you carry my basket for me, please?
3. Why do some ethnic peoples build the communal house?
What is the reason that some ethnic peoples build the communal house
4. How long have you been an ethnologist?
When did you started to be an ethnologist?
5. Who do these beautiful ornaments belong to?
Whose are  these beautiful ornaments ?