问题
选择题
On April 24, Tsinghua University ______ its 100th anniversary at the People's Great Hall in Beijing. [ ]
A. congratulated
B. celebrated
C. challenged
D. calculated
答案
答案：B
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On April 24, Tsinghua University ______ its 100th anniversary at the People's Great Hall in Beijing. [ ]
A. congratulated
B. celebrated
C. challenged
D. calculated
答案：B