tests by hidalgo with the online test builder (653 tests)

461. Imperative (1956 candidates)
462. Adjectives (agreement) (39201 candidates)
463. Relative pronouns (1557 candidates)
464. Por, Para (4240 candidates)
465. Apocope (4363 candidates)
466. Mucho, demasiado, poco (10928 candidates)
467. Correct tenses (3814 candidates)
468. Gender (nouns) (10266 candidates)
469. Spelling: difficult words (2751 candidates)
470. Direct commands and indirect commands (3846 candidates)
471. Desde, hacer (12496 candidates)
472. Simple past/Conditional (5114 candidates)
473. Pretérito imperfecto/Pretérito indefinido (21794 candidates)
474. Synonyms (1636 candidates)
475. Gustar (11147 candidates)
476. Questions (15664 candidates)
477. Present (irregular verbs) (2571 candidates)
478. Accurate replies to questions (17509 candidates)
479. Gender (1404 candidates)
480. Ser/Estar+correct tense (1973 candidates)