AJ - https://elt.oup.com/student/project/?cc=cz&selLanguage=cs
https://elt.oup.com/student/project/level3/unit05/?cc=cz&selLanguage=cs
https://www.youtube.com/watch?v=9YSTktUeKmw
modální slovesa (should, …) : https://elt.oup.com/student/project/level3/unit06/grammar/?cc=cz&selLanguage=cs
AJ - Otzi - Iceman - https://www.youtube.com/watch?v=j8HXLqwD7uU