________thereforseveraltimes,heofferedtoactasaguide.A.B... 国语站 题库 2.67W 大中小设置文本大小 问题详情:________ there for several times, he offered to act as a guide.A. Being B. Was C. Has been D. Having been【回答】D知识点:构词法题型:选择题 TAG标签:#