--- Was it by cutting down staff _ _she saved the firm? ----- No, it was by improving work efficienc...
2022-11-23 12:55:11 174次 2012年普通高等学校招生全国统一考试英语（上海卷解析版） 单项填空 反馈错误 加入收藏 正确率 : 100%
题目内容：
--- 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
本题链接：
