Use of English · Parte 3
The deep ocean remains one of the last great (0) SCIENTIFIC (SCIENCE) frontiers on our planet. The (1) .......... (EXPLORE) of its darkest regions has been slow, mainly because reaching such depths requires highly specialised equipment. Our (2) .......... (KNOW) of what lives down there is therefore still very…
Desbloquea todos los exámenes, simulaciones ilimitadas, las 80 fases del juego y mucho más.