tests by crayon98 with the online test builder
(7 tests)
Ranked by: number of candidates
1. 'obwohl', 'obgleich', 'trotzdem' (11216 candidates) 
2. Clothes (10048 candidates)
3. Home (3822 candidates)
4. Auxiliary: werden (1359 candidates)
5. After (1288 candidates)
6. Prepositions (1042 candidates)
7. Relative pronouns (1029 candidates)
(7 tests) Ranked by: number of candidates
1.
'obwohl', 'obgleich', 'trotzdem' (11216 candidates) 2.
Clothes (10048 candidates) 3.
Home (3822 candidates) 4.
Auxiliary: werden (1359 candidates) 5.
After (1288 candidates) 6.
Prepositions (1042 candidates) 7.
Relative pronouns (1029 candidates) 