Use of English · Part 1
Many species of animals and plants have disappeared from the earth. They have (0) DIED out, or become extinct. But sometimes animals or plants (1) .......... can be found buried in rocks. These are called fossils. Imprints in rocks (paw prints, for example) are also called fossils. Not every creature (2) ..........…
Desbloqueja tots els exàmens, simulacions il·limitades, les 80 fases del joc i molt més.