is the largest city in the US Pacific Coast and is also the second largest city of America.
A. San Francisco
B. Los Angeles
C. Washington
D. Phoenix
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The U.S. lies in North America, with Canada to the north, Mexico to the south, the Atlantic to its and the Pacific to its .
A. northern, east, west
B. central, east, west
C. southern, west, east
D. western, west, east
The continental United States has states.
A. 50
B. 49
C. 48
D. 35
The longest river in the U.S. is .
A. the Missouri River
B. the Mississippi River
C. the Ohio River
D. the Lake Itasca
Some of the world-famous universities like Harvard, Yale and MIT are located in .
A. the South
B. the West
C. New England
D. the Midwest