A1-B2 A1 A2 B1 B2 Playlist 4 Videos Lesson 1 3:54 Lesson 2 0:16 Lesson 3 0:16 Lesson 4 0:16 A1-Reading A2-pdf B1-pdf Playlist 3 Videos Sample Video 0:16 Sample Video 0:16 Sample Video 0:16
