Relax! If you've completed the CRM successfully, you'll ace CIC's Commercial Casualty with no problem! I've also taught CIC courses (Commercial Umbrella, Garage Liability and BOP), many years ago, and the one thing I learned was that although the instructors are asked to submit possible questions for their topic, they don't have any say in what the final questions are and don't know what they'll be.
Do read the policy forms. I distinctly remember that when I took the Commercial Casualty course, one of the questions was to define the policy territory in the CGL form. It hadn't been discussed by the instructor and had a hole punch through that paragraph of the policy form!!
M. Lyn Martin, CPCU, ARM, ARe, AAI, CIC
Reinsurance & Risk Manager
California Casualty Management Company