Use of English · Part 2
Urbanization (0) HAS been a constant factor in human development for the past ten thousand years. (1) .......... there has always been the necessity for a minimum - sometimes a very substantial minimum - of the population to work the land, such surplus individuals as can be sustained have tended to gather in cities.…
Desbloqueja tots els exàmens, simulacions il·limitades, les 80 fases del joc i molt més.