问题 更新时间2023/4/3 12:59:00 The professor could hardly find sufficient grounds _____his arguments in favor of the new theory.A、 to be based onB、 to base onC、 which to base onD、 on which to base 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3