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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?