请以"I think the most _______ invention is ______"为话题写一篇80词左右的短文

问题描述:

请以"I think the most _______ invention is ______"为话题写一篇80词左右的短文

I think the most useful invention is computer. As one of the most important invention of twenty -first century,computer has wide application in all aspects of our lives,for example, indus...