There are tons of guides, books, and masterclasses. Which ones helped you become a better storyteller?
I treated the passenger section like a script — ran the “safety/emergency procedures” daily and took timed practice tests until I held 90%+; this set works well: https://driving-tests.org/cdl/passenger/. Just cross-check every answer with your state CDL manual since wording varies. What state are you testing in?