问题描述： 他的哥哥已经去过北京.肯定句 否定句 疑问句 答句（Yes和No） 英语的 1个回答 分类：英语 2014-11-07 问题解答： 我来补答 肯定句 His elder brother has been to Beijing.否定句 His elder brother has not/ hasn't been to Beijing.疑问句 Has his elder brother been to Beijing?答 Yes,he has./ No,he hasn't. 展开全文阅读
