________ people celebrated the Chinese New Year in Chinatown in 2015.
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The _______ started at ten o'clock in the morning.
The celebrations went on _____ at night
If you are Chinese and live in London, there is no need to feel _______.
本课程的一个主要特色是案例连载，并通过大量真实案例的讨论让学生看清知识的（ ）。
A. 有用性
B. 无用性
C. 抽象性
D. 枯燥性
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