Active: skills for reading book 1 /
- 2a ed.
- Estados Unidos, us CENGAGE 2009
- 176 p. ilus , tablas
Contiene fotografias B/N
Our changing.-- Inventions.-- Studying abroad.-- Money and budgets.-- Our modern lifestyle.-- The olympics.-- Human achievements.-- Languaje and communication.-- Festivals and celebrations.-- Growing older.