tests by juldan with the online test builder (10 tests)
Ranked by: number of candidates
1. To Go To Come (6719 candidates)
2. Doler (5643 candidates)
3. Difficult agreement (4140 candidates)
4. Ser/estar with the same adjective (3506 candidates)
5. Object personal pronoun (2641 candidates)
6. Calling someone (2328 candidates)
7. Add accents (2252 candidates)
8. Idioms: consequences (1359 candidates)
9. Add accents (1085 candidates)
10. Accents (988 candidates)