(the situation of being faced with) something that needs great mental or physical effort in order to be done successfully and therefore tests a person's ability: Finding a solution to this problem is one of the greatest challenges faced by scientists today
الفرض الثاني في مادة الإجتماعيات والتربية الإسلامية المستوى الخامس ابتدائي الطبعة الجديدة 2020 2021
Merci pour tes efforts
ReplyDeleteشكرا على المجهود الكبير.
ReplyDelete