6．－What do you know about Vancouver?
－It's host city of the 2010 Winter Olympic Games, and it is also home to North America's second biggest Chinatown.
A. the; 不填
B. the; the
C. a; 不填
D. a; the
网友回答
(答案→)A. the; 不填
B. the; the
C. a; 不填
D. a; the
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