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Irregular plural nouns - exercises.
Nieregularna liczba mnoga rzeczownika - ćwiczenia.
Irregular Plural Nouns 1 - advanced (15 questions)
Irregular Plural Nouns 2 - advanced (15 questions)
Irregular Plural Nouns 3 - advanced (20 questions)
Irregular Plural Nouns 4 - advanced (20 questions)