4/ Who usually spends much time at his work?
Does he usually spend much time at his work?
How much time does he usually spend at work?
He spends a lot of time at his work, doesn't he?
Does he usually spend much or little time at his work?
5) Who attended that cinema a day before?
Did you attend that cinema a day before?
You attended that cinema a day before, didn't you?
Did you attend that cinema or theatre a day before?
6) Who is a student?
His elder brother is a student, isn't he?
Is his elder brother a student?
Is his elder brother a student or a pupil?