Chuyển những câu trực tiếp sau sang câu gián tiếp: Where does your father work?

Chuyển những câu trực tiếp sau sang câu gián tiếp:
1, Where does your father work? 
-> the teacher asked me
2, How many people are there in your family? 
-> She asked Lan
3, How long will you stay in England? 
-> Tam's friend asked him