问题描述: I work hard at the office.(改为现在进行时) 1个回答 分类:综合 2014-09-26 问题解答: 我来补答 I am working hard at the office.现在进行时就是be+doing 再问: He will be home at eleven o`clock.(改为一般疑问句) 再答: Will he be home at eleven o'clock?再问: He is (at the office) now.对括号部份提问 再答: Where is he now? 展开全文阅读