tests by juldan with the online test builder (10 tests)
Ranked by: number of candidates
1. To Go To Come (6770 candidates)
2. Doler (5691 candidates)
3. Difficult agreement (4163 candidates)
4. Ser/estar with the same adjective (3529 candidates)
5. Object personal pronoun (2648 candidates)
6. Calling someone (2337 candidates)
7. Add accents (2263 candidates)
8. Idioms: consequences (1371 candidates)
9. Add accents (1086 candidates)
10. Accents (992 candidates)