Use of English · Parte 2
(0) OVER the past 35 years, air (1) .......... has become a popular method of transport. Long gone are the days (2) .......... travelling to foreign countries was the preserve of the rich and a privileged few. Some estimates put the number of daily commercial airline flights (3) .......... the world at as many as…
Desbloquea todos los exámenes, simulaciones ilimitadas, las 80 fases del juego y mucho más.