Use of English · Parte 2
The exploration of outer space has long captured the imagination of scientists and the general public (0) ALIKE. Since the first successful moon landing in 1969, remarkable progress has been (1) .......... in our understanding of the universe. Private companies have recently entered the space industry, investing…
Desbloquea todos los exámenes, simulaciones ilimitadas, las 80 fases del juego y mucho más.