问题
选择题
______ April 14 th, 2010, a terrible earthquake (地震) happened in Yushu, Qinghai Province. [ ]
A. In
B. At
C. On
答案
答案：C
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______ April 14 th, 2010, a terrible earthquake (地震) happened in Yushu, Qinghai Province. [ ]
A. In
B. At
C. On
答案：C