Which is______, North America or South America？A．biggestB．the biggestC．more biggerD．bigger

The _________ is a major river of North America.A．SeineB．ThamesC．MississippiD．Danube

The richest agricultural region of America is ______.A．the Middle WestB．the North EastC．th

The richest agricultural region of America is ________.A．the Middle WestB．the North EastC．

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

______is the only predominately French-speaking territory in North America.A．QuebecB．Th

______Pacific Ocean is______very large sea to the west of North and South America, and to