问题描述: < > the population of the U.S.A.in 2005?-----It < > about 296 million. 1个回答 分类:英语 2014-10-20 问题解答: 我来补答 What's > the population of the U.S.A.in 2005?-----It < is> about 296 million.提问人口【population】用疑问词【what is】,而不用how much后一空用一般现在时 展开全文阅读