L.mn rzeczownika, zaimki wskazujące, praca - słownictwo
https://www.liveworksheets.com/worksheets/en/English_as_a_Second_Language_(ESL)/Irregular_plurals/Irregular_Plurals_mc132824ao https://www.liveworksheets.com/worksheets/en/English_language/Demonstrative_pronouns/Demostrative_dd1892395dl