tests by michou56 with the online test builder (361 tests)

281. Adverbs (7148 candidates)
282. Quantity (5527 candidates)
283. Adverbs: places (2141 candidates)
284. Adverbs (1936 candidates)
285. Adverbes de manière (3050 candidates)
286. Recipes (1203 candidates)
287. Being polite (25128 candidates)
288. Comparatives (1558 candidates)
289. Relative pronouns (16820 candidates)
290. Pronoms, adjectifs et adverbes variés. (582 candidates)
291. I PRONOMI E AGGETIVI. QUALCUNO / QUALCHE / / ALCUNE / ALCUNI (1208 candidates)
292. Prepositions 'da' / 'di' (5502 candidates)
293. Les paronymes (36486 candidates)
294. Homonymes/homophones (85734 candidates)
295. Synonymes de faire (24943 candidates)
296. Les antonymes (54062 candidates)
297. Homonymes (884 candidates)
298. Opposite words (2419 candidates)
299. Synonyms: cambiare (1443 candidates)
300. Contracted articles (8080 candidates)