(2013·江西九校一模)A lot of lovers chose to get married on Dec. 12, 2012, the date, the month and the year match.
A. that
B. on which
C. in which
D. which
网友回答
A. that
(答案→)B. on which
C. in which
D. which
解析：选B 考查定语从句。句意：很多恋人选择在2012年12月12日这一天结婚，这是因为在这一天日期、月份与年份都一样。因为从句缺少时间状语，所以应用which指代先行词；当先行词是某个时期，且年月日完整时，介词应该用on。故选B。