Uzupełnij luki w zdaniach 1-4 zgodnie z treścią tekstu. Luki należy uzupełnić w języku angielskim. 1 Unusual charity challenges can be used to encourage friends and family to .... 2 For the Ice Bucket Challenge, people had to... over their heads. 3 One disadvantage of viral challenges is that sometimes they.... 4 Group challenges let people... and enjoy themselves. Potrzebuję na dzisiaj!!!
