tests by hidalgo with the online test builder
(7 tests)
1. Prepositions : von, über, auf, an... (1766 candidates) 
2. Active voice and passive voice (8062 candidates)
3. Definite articles (1461 candidates)
4. Prepositions (1172 candidates)
5. Declension (2566 candidates)
6. Idioms (1355 candidates)
7. Conjunctions (2280 candidates)
(7 tests) 1.
Prepositions : von, über, auf, an... (1766 candidates) 2.
Active voice and passive voice (8062 candidates) 3.
Definite articles (1461 candidates) 4.
Prepositions (1172 candidates) 5.
Declension (2566 candidates) 6.
Idioms (1355 candidates) 7.
Conjunctions (2280 candidates) 