问题 更新时间2023/4/3 12:59:00 He didn.t pass the final examination. He ______ it.(A)must have prepared for(B)ought to prepare for(C)ought to have prepared for(D)ought to prepare for 答案 登录 注册 [参考答案:C] 出自:文才 >> 郑州工程技术学院-大学英语1