_________ Edison began experimenting with some thing which he had made himself.

By the time he was 12, Edison _______ to make a living by himself.A.would beginB.has be

______ the financial means to remain independent, Thomas Edison was compelled to seek empl

Even if Thomas Edison hadnt invented the electric light successfully, we ______electric li

It was well known that Thomas Edison _____ the electric lamp.A.discoveredB.inventedC.fo

Edison failed _____ times before he succeeded in producing the first electric lamp .

The plan was never carried out because_________.A.not everyone wanted to honor Edison###