Use of English · Part 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…
Desbloqueja tots els exàmens, simulacions il·limitades, les 80 fases del joc i molt més.