问题 更新时间2023/4/3 12:59:00 ______ twice, the postman refused to deliver our letters unless we chained our dog up.A、 Being bittenB、 Had been bittenC、 Having bittenD、 Having been bitten 答案 登录 注册 正确答案为:D 出自:石家庄铁道大学 >> 石家庄铁道大学-大学英语III