问题
选择题
It was April 29, 2011 ______ Prince William and Kate Middleton walked into the palace hall
of the wedding ceremony. [ ]
A. that
B. when
C. since
D. before
答案
答案：B
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It was April 29, 2011 ______ Prince William and Kate Middleton walked into the palace hall
of the wedding ceremony. [ ]
A. that
B. when
C. since
D. before
答案：B