What are the missing question words in the inquiry made by Sergeant Brooks?
Sergeant Brooks: Can you tell me _____ you last saw Private Johnson?
Corporal Diaz: I last saw him in Colonel Grant’s office.
Sergeant Brooks: _____ did you see him exactly?
Corporal Diaz: Five minutes before lunch break.
Sergeant Brooks: And _____ was he doing there?
Corporal Diaz: He was repairing the colonel’s computer.
Sergeant Brooks: _____ was he with?
Corporal Diaz: Nobody. He was alone.
Sergeant Brooks: _____ did you go to the Colonel’s Office?
Corporal Diaz: Because I had to take documents to Colonel Grant before he left for lunch.