tests by chilla with the online test builder (698 tests)

641. Song: black cat (894 candidates)
642. High tech vocabulary (1002 candidates)
643. Subjunctive (13524 candidates)
644. Correct tenses (19312 candidates)
645. Adjectives (13042 candidates)
646. Adjectives (28270 candidates)
647. Breakfast (921 candidates)
648. Breakfast (14401 candidates)
649. Singular to Plural (2287 candidates)
650. From plural to singular (1137 candidates)
651. Sentences: singular (814 candidates)
652. Singular to Plural (1436 candidates)
653. Mi, ti, si, ci, vi (18490 candidates)
654. Time (9086 candidates)
655. School stuff (1302 candidates)
656. At school (5088 candidates)
657. Rentrée scolaire-vocabulaire (1324 candidates)
658. Adverbs: temporal (4894 candidates)
659. Subjunctive (5252 candidates)
660. Possession: mio, tuo, miei, tuoi (51474 candidates)