Many Europeans______the continent of Africa in the nineteenth century.A．explodedB．expanded

About the sixth century A. D. when few Europeans could read, the Chinese ______ paper.A．in

The driest continents is______.A．AustraliaB．AfricaC．AntarcticaD．North America

When ______, the bridge connecting the island to the continent will be open to traffic nex

______ separates the U.K from the European Continent.A．The Strait of DoverB．The English Ch

The original inhabitants on the North American Continent were the______.A．EskimosB．Aborigi

As the backbone of the North American continent, ______is known as the Continental Divide