问题
选择题
The earthquake which happened in YuShu _____ 14th April 2010 was a big disaster. [ ]
A. at
B. on
C. in
D. to
答案
答案：B
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The earthquake which happened in YuShu _____ 14th April 2010 was a big disaster. [ ]
A. at
B. on
C. in
D. to
答案：B