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