The four seasons (las cuatro estaciones)
spring [sprɪŋ] - primavera
summer ['sʌmər] - verano
fall [fɔl] / autumn ['ɔ:təm] - otoño
winter ['wɪntər] - invierno
Progress, Vol. 2
Progress, all volumes
Unit 1
Unit 2
Unit 3
Unit 4
Unit 5
Unit 6
Unit 7
Unit 8
Unit 9
Unit 10
