问题描述: His health is _____A.improvedB.improving选哪个?为什么? 1个回答 分类:英语 2014-12-16 问题解答: 我来补答 His health is _____他身体在逐渐好转.---- 肯定要用ing ,表示持续状态这里的improve是不及物动词的用法!A.improved B.improving 再看一个例句:vi.1.改善,变得更好Their working conditions are improving.他们的工作条件正在改善. 展开全文阅读