4) 1. Don’t have to
2. Has to
3. Don’t have to
4. Has to
5. Don’t have to
5) 1. Who uses a computer?
2. Who is talking to the pupil?
3 What is Mr Green looking at?
4. What musical instrument does Mr Black use?
5. Who organizes the work in the office?
6) 1. Did, went
2. Ate, cooked
3. Trained, won
4. Went, was
5. Didn’t act, started