王老师:19139051760(拨打)复制微信 题目 更新时间:2023/4/3 The scientist could hardly find sufficient grounds ______ his arguments in favor of the new theory.A. which to base onB. to base onC.to be based onD.on which to base 答案 登录 注册 D.on which to base 出自:联大 >> 河南城建学院大学英语(三) 河南城建学院继续教育学院