tests by chilla with the online test builder (699 tests)

641. Song: black cat (894 candidates)
642. High tech vocabulary (1001 candidates)
643. Subjunctive (13495 candidates)
644. Correct tenses (19283 candidates)
645. Adjectives (13005 candidates)
646. Adjectives (28234 candidates)
647. Breakfast (920 candidates)
648. Breakfast (14389 candidates)
649. Singular to Plural (2287 candidates)
650. From plural to singular (1137 candidates)
651. Sentences: singular (813 candidates)
652. Singular to Plural (1435 candidates)
653. Mi, ti, si, ci, vi (18467 candidates)
654. Time (9074 candidates)
655. School stuff (1302 candidates)
656. At school (5087 candidates)
657. Rentrée scolaire-vocabulaire (1324 candidates)
658. Adverbs: temporal (4886 candidates)
659. Subjunctive (5245 candidates)
660. Possession: mio, tuo, miei, tuoi (51363 candidates)