问题 更新时间2023/4/3 12:59:00 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 参考答案:D 出自:联大 >> 河南城建学院-道路桥梁与渡河工程-大学英语 3