问题描述: It takes him half an hour to get to the airport.(对half an hour 提问) 1个回答 分类:英语 2014-11-20 问题解答: 我来补答 画线提问:How long does it take him to get to the airport?被画线处用How long替换,然后放到句子最前面.剩下的内容不变.因为是it,所以does.这类句子均按这种方法做. 展开全文阅读