阅读填空

Because of the invention of electricity, our world has (changed ) a lot.Electricity has become one of the ( most) important inventions ( in) people's everyday life. People can't watch (TV ) or lisren to the (radio ) without electricity. In summer the food in a (fridge ) will go bad if there is electricity. Besides if there is no electricity cars, buses or trains can't run on the way,and ( planes) can't fly in the sky. Above all, many factories,post offices,banks,and radio ststions are not able to work ( without) electricity. How important electricity is! Do you know who (invented ) it?多读几遍就能看懂的