It is said that potato chips ____________ by mistake about a hundred years ago. A. invent B. invente...
2023-02-23 00:44:34 39次 2011-2012学年广西南宁初中学校城乡共同体九年级中考模拟考试英语试卷（解析版） 单项填空 反馈错误 加入收藏 正确率 : 100%
题目内容：
It is said
that potato chips ____________ by mistake about a hundred years ago.
A. invent B.
invented C. are invented
D. were invented
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