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

281. Adverbs (6907 candidates)
282. Quantity (5319 candidates)
283. Adverbs: places (2012 candidates)
284. Adverbs (1848 candidates)
285. Adverbes de manière (2968 candidates)
286. Recipes (1159 candidates)
287. Being polite (24165 candidates)
288. Comparatives (1511 candidates)
289. Relative pronouns (15726 candidates)
290. Pronoms, adjectifs et adverbes variés. (571 candidates)
291. I PRONOMI E AGGETIVI. QUALCUNO / QUALCHE / / ALCUNE / ALCUNI (1148 candidates)
292. Prepositions 'da' / 'di' (5231 candidates)
293. Les paronymes (34033 candidates)
294. Homonymes/homophones (80320 candidates)
295. Synonymes de faire (24430 candidates)
296. Les antonymes (50238 candidates)
297. Homonymes (852 candidates)
298. Opposite words (2321 candidates)
299. Synonyms: cambiare (1406 candidates)
300. Contracted articles (7891 candidates)