0 St 1 Js 2 20 3 20 [en-US] general.back_to_intro [en-US] general.close_nav English Català Completion percentage: 81 % Completion percentage: 81 % Česky Completion percentage: 46 % Completion percentage: 46 % Deutsch Completion percentage: 60 % Completion percentage: 60 % English Español Completion percentage: 67 % Completion percentage: 67 % فارسی Completion percentage: 26 % Completion percentage: 26 % Français Completion percentage: 69 % Completion percentage: 69 % Hindi Completion percentage: 4 % Completion percentage: 4 % Italiano Completion percentage: 41 % Completion percentage: 41 % Português Completion percentage: 38 % Completion percentage: 38 % Русский Completion percentage: 94 % Completion percentage: 94 % Українська Completion percentage: 80 % Completion percentage: 80 % Svenska Completio...