Take one full practice exam cold. Do not study first. See where you bleed points. Is it Trennbare Verben (separable verbs)? Or Präteritum of haben/sein ? Focus your energy there.
Viel Erfolg! (Good luck!)
" : Includes focused vocabulary exercises and a full exam simulation. It is available as a standard textbook or interactive version. goethezertifikat a2 prufungstraining pdf top