I have been to Beijing before.______ A So do i B SO had i C SO have i D SO did I 我来答 1个回答 #热议# 为什么有人显老,有人显年轻? 优点教育17 2022-06-01 · TA获得超过7614个赞 知道大有可为答主 回答量:5800 采纳率:99% 帮助的人:295万 我也去答题访问个人页 关注 展开全部 C表示说话者也适用上述情况,用so + be/have/has/情态动词+主语答句橡御乱世可转换成:I have been to Beijing before, too. 故用have若此题改梁陪岩为:I had been to Beijing . 答句用SO had i (=I had been to Beijing, too.)若... 已赞过 已踩过< 你对这个回答的评价是? 评论 收起 推荐律师服务: 若未解决您的问题,请您详细描述您的问题,通过百度律临进行免费专业咨询 为你推荐: