It is well known that Thomas Edison _______ the electric lamp. A. invented B. discovered C. found D...
2023-01-27 11:52:41 75次 2010年树德协进中学高二6月考试 单项填空 反馈错误 加入收藏 正确率 : 100%
题目内容：
It is well known that
Thomas Edison _______ the electric lamp.
A.
invented B. discovered C.
found D. developed
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