英语作文：Inventions

InventionsWe knew there had been many inventions last century,for example,telephone,phonograph,airplane,computer and so on。What’s the most useful invention?I think the most usuful invention should be telephone。With invention of the telephone in 1876,the people who live in eastern and western hemisphere seemed nearer and nearer to live。This usuful invention was invented by Alexander Gray Ham Baer。Many young people admire Baer。If we study hard now,we can invent something useful for the world in the future。备注：不包括标题,正好85个单词。 再问： 非常好，谢谢各位