问题
选择题
— Was it by cutting down staff _ _she saved the firm?
— No, it was by improving work efficiency. [ ]
A. when
B. what
C. how
D. that
答案
答案：D
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— Was it by cutting down staff _ _she saved the firm?
— No, it was by improving work efficiency. [ ]
A. when
B. what
C. how
D. that
答案：D