quick homework assignment

read chapters 8-9 and 12-23 from the online text http://faculty.georgetown.edu/jod/augustine/ddc4.html 

1. In Chapter 8, why is it not ok for Christian teachers to imitate Scripture, in the sense he means?2. In Chapter 9, how could it be right not to discuss certain Scripture passages? Explain yourself whether you think he is giving good advice here or not.3. In the other chapters, how do teaching, delighting, and moving relate to one another? Which of them is most important? Which ones assist the others? What does Augustine think, and what do you think?