题目内容
7、It is said that potato chips ________ by mistake about a hundred years ago．
A．invent B．invented C．are invented D．were invented
试题答案
7、D
相关题目
It is said that potato chips ________ by mistake about a hundred years ago．
A．invent B．invented C．are invented D．were invented
查看习题详情和答案>>It is said that potato chips ________ by mistake about a hundred years ago．
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A．invent
B．invented
C．are invented
D．were invented
It is said that potato chips ____________ by mistake about a hundred years ago.
| A．invent | B．invented | C．are invented | D．were invented |
It is said that potato chips ____________ by mistake about a hundred years ago.
| A．invent | B．invented | C．are invented | D．were invented |