Presentación de la Unidad 2 (Tracks 75 a 77)

Section 1 Change throughout the ages (Tracks 78 a 82)

Section 2. Let’s talk about celebrations (Tracks 83 a 85)

Section 3 Talking about world's events (Tracks 86 a 91)

Respuestas a las actividades de la Unidad 2 (Tracks 92 a 136)