The factory used 65 percent of the raw materials, the rest of which _____ saved for other purposes. ...
2022-06-21 04:46:09 85次 2020届天津市高三第二学期三月考英语试卷 单项填空 反馈错误 加入收藏 正确率 : 100%
题目内容：
The factory used 65 percent of the raw materials, the rest of which _____ saved for other purposes.
A.is B.were C.was D.are
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