问题
选择题
As we grow older, it's not the things we did we often regret, but the things we didn't do. [ ]
A. that
B. what
C. as
D. when
答案
答案：A
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As we grow older, it's not the things we did we often regret, but the things we didn't do. [ ]
A. that
B. what
C. as
D. when
答案：A