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
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
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.