单项选择题

In the United States, primary education requires ______ years.

A. five
B. six
C. seven
D. eight
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单项选择题
The Catcher in the Rye is written by ______.
A.J.D. Salinger
B. Jack London
C. Flannery O'Connor
D. Saul Bellow
单项选择题
Modern football game began in ______.
A. America
B. France
C. England
D. Germany
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