初二英语首字母
Becauseofthediscoveryofelectricity,ourworldhasc----alot.Electricityhasbecomeoneofthemosti-----inventioninpeople'severydaylife.Insummerthefoodinafridgewillg---badifthereisnoelectricity.A---all,manyfactories,postoffices,banksandradiostationsarenota---toworkifthereisnotelectricity.Doyouknowwhod---it?