问题 更新时间2023/4/3 12:59:00 18. Before going to bed, she _______ that the door was locked. (A) insured herself (B) assured (C) assured herself (D) insured 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(2).