Use of English · Parte 3
People are at last beginning to take the (0) NATURAL (NATURE) world around them more seriously. Air and water (1) .......... (POLLUTE), once accepted as an unfortunate side-effect of progress, are now recognised as threats that demand urgent attention. The (2) .......... (PROTECT) of rivers, forests and coastlines…
Desbloquea todos los exámenes, simulaciones ilimitadas, las 80 fases del juego y mucho más.