单项选择题

America will never again have as a nation the spirit of adventure as it ______ before the West was settled.

A．could
B．did
C．would
D．was
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When does the noise stop
A．At midnight.
B．In the morning.
C．When the car is turned off.
D．When the neighbors’son leaves for work.
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What does the word apple in the phrase the Big Apple mean
A．An iustrument.
B．A concert.
C．A theater.
D．A city.
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