问题
选择题
Willpower is a kind of quality, _____ is _____ it takes to do anything well. [ ]
A. what; which
B. what; what
C. which; which
D. which; what
答案
答案：D
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Willpower is a kind of quality, _____ is _____ it takes to do anything well. [ ]
A. what; which
B. what; what
C. which; which
D. which; what
答案：D