问题
选择题
Perseverance is a kind of quality-and that's ______ it takes to do anything well. [ ]
A. what
B. that
C. which
D. why
答案
答案：A
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Perseverance is a kind of quality-and that's ______ it takes to do anything well. [ ]
A. what
B. that
C. which
D. why
答案：A
