问题
选择题
Liu Xiang's breaking the world record was an exciting moment, ________ all of us will never forget. [ ]
A. when
B. one that
C. it
D. what
答案
答案：B
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Liu Xiang's breaking the world record was an exciting moment, ________ all of us will never forget. [ ]
A. when
B. one that
C. it
D. what
答案：B