1) Who uses the computer?

My father uses the computer.

2) Who is talking to the pupil?

The teacher is talking to the pupil.

3) What is Mr Green looking at?

Mr Green is looking at the picture.

4) What musical instrument does Mr Black use?

Mr Black uses the guitar.

5) Who organizes the work in the office?

The manager organizes the work in the office.

6) What does Mr Green design?

Mr Green designs dresses.

7) What do Mr and Mrs Grey advise people about?

Mr and Mrs Grey advise people about books.