30-Early Level 3 - Non-Fiction - Set B - Life Cycle Of A Plant（正版原声新）

30-Early Level 3 - Non-Fiction - Set B - What Is It Made Of（正版原声）

30-Early Level 3 - Non-Fiction - Set B - Wind（正版原声，每日更新）

30-Early Level 3 - Non-Fiction - Set B - Working Animals（正版原声）

31-Early Level 3 - Non-Fiction - Set C - About Lighthouses（正版原声）

31-Early Level 3 - Non-Fiction - Set C - Caterpillar To Butterfly（每日更新）

31-Early Level 3 - Non-Fiction - Set C - Good Things From Trees