1. Have they already done homework?
What have they done already?
Who has already done homework?
Have they already done homework or finished their research?
They have already done homework, haven't they?
2. Did you go to the cinema the days ago?
Where did you go the days ago?
Who went to the cinema the days ago?
Did you go to the cinema or museum the days ago?
You went to the cinema the days ago, didn't you?