Now China is fighting against illegal cooking oil（地沟油）, a kind of waste oil _____can cause a lot of ...
2023-02-05 08:26:45 45次 2013-2014学年山东省诸城市九年级第三次模拟英语试卷（解析版） 单项填空 反馈错误 加入收藏 正确率 : 100%
题目内容：
Now China is fighting against illegal cooking oil（地沟油）, a kind of waste oil _____can cause a lot of illness.
A. which B. whose
C. who D. what
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