I'm ahead of you in my slow ZM TA-152 build (at paint), the wing went together well for me, my issue where those plug-in's for the wheel legs. They were a millimeter or two too 'fat'... once in place a dog the re-shape.
Also, adding the flaps before attaching the body was a disaster - the wing join to the fuselage is a nightmare... the wing root sleave between the two is very tight... (I'm working on a parallel 1/48 ZM TA-152 build, it has the same issues) - I took them both off before I broke them,