The mobile phone________in 1973. A. invents B. is invented C. invented D. was invented
2022-09-25 09:04:34 44次 2018年中考英语热点专题突破训练：单项选择 单选题 反馈错误 加入收藏 正确率 : 100%
题目内容：
The mobile phone________in 1973.
A. invents B. is invented
C. invented D. was invented
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