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

281. Adverbs (6912 candidates)
282. Quantity (5324 candidates)
283. Adverbs: places (2014 candidates)
284. Adverbs (1848 candidates)
285. Adverbes de manière (2969 candidates)
286. Recipes (1159 candidates)
287. Being polite (24206 candidates)
288. Comparatives (1513 candidates)
289. Relative pronouns (15749 candidates)
290. Pronoms, adjectifs et adverbes variés. (571 candidates)
291. I PRONOMI E AGGETIVI. QUALCUNO / QUALCHE / / ALCUNE / ALCUNI (1151 candidates)
292. Prepositions 'da' / 'di' (5241 candidates)
293. Les paronymes (34070 candidates)
294. Homonymes/homophones (80470 candidates)
295. Synonymes de faire (24439 candidates)
296. Les antonymes (50311 candidates)
297. Homonymes (852 candidates)
298. Opposite words (2322 candidates)
299. Synonyms: cambiare (1407 candidates)
300. Contracted articles (7894 candidates)