German Complete Grammar descripción

German Complete Grammar is an application with more than 10.000 multiple- choice exercises with explaination in detail - For all learning levels in German.
+Level A1: with more than 1.000 multiple- choice exercises.
+Level A2: with more than 1.000 multiple- choice exercises.
+Level B1 : with more than 1.500 multiple- choice exercises.
+Level B2 : with more than 70 classified grammar exercises + 2.500 multiple- choice exercises.
+level C1: with nearly 50 grammar exercises + nearly 1.500 multiple- choice exercises
+More than 3.000 test for Verbs, Nouns, Sentences or popular grammar structures