Use of English · Partie 3
The race to reach Mars has become a truly (0) INTERNATIONAL (NATION) effort, with several space agencies and private companies competing to lead the next stage of (1) .......... (EXPLORE). Sending people to another planet is an extraordinarily (2) .......... (AMBITION) goal that would have seemed pure science fiction…
Débloque tous les examens, des simulations illimitées, les 80 étapes du jeu et plus encore.