3 Read the text below and choose A, B or C. ... striking feature of North America is (2)... vast chain of lakes which separates Canada from ... United States, Lake Superior, (*)... greatest of these onland seas, is (5)... largest body of fresh water in ... world.... other principal lakes are Lakes Huron, Michigan, Erie and Ontario; from (8)... last of which issues ... noble river of St. Lawrence, which runs (10)... uninterrupted course of seven hundred miles before it reaches (1)... Atlantic. There is thus (2)... continuous current from ... most remote tributary of Lake Superior Gulf of St. Lawrence, a distance of more than two thousand miles.
