Crossfit is very good for a type 2A.
The word that describes 2As is “variety”. They need to change things around all the time (that’s my type) so Crossfit works well in that regard.
As for what you should do in the gym it is very simple…
The sentence that best describes a 2A training is “Everything works, but nothing works for long”. So basically you can do whatever you want on those two days, provided that you train hard it will work.
Now, I will make 2 recommendations:
Include some neural (either heavy,explosive or skill) and muscular (mind-muscle connection) work in every session
Try to work on things you didn’t work in your WODs … so muscles or patterns that were neglected but also neglected contraction types, namely isometric and eccentric emphasis