问题描述: 现在进行时练习就划线部分如何提问 1个回答 分类:英语 2014-10-01 问题解答: 我来补答 比如:Lily is doing homework.1) 对 Lily 提问:Who is doing homework?2)对 doing homework 提问:What is Lily doing(now)? 展开全文阅读