问题描述: He will come back in an hour.对in an hour 提问 1个回答 分类:英语 2014-10-14 问题解答: 我来补答 He will come back (in an hour)提问how soon will he come back?how long 多长时间 回答是for+一段时间 欢迎追问 展开全文阅读