IELTS Preparation. Band 8-9 Answers. Part 3 - Study. Q4-Q6. 4. What are the differences between a private university and a public university? Which one do you prefer? 5. How technology has brought benefits to the way students prepare for their exams? 6. How the use of technology in the classrooms will bring more benefits to teachers and students? Why? Listen to it few times. What inspiration did you get from some ideas mentioned? How acn you utilize some of it in your answers? Not just for this topic but others? Here to help To Your Success.