问题 更新时间2023/4/3 12:59:00 It was not until he arrived at the station ________he realized he had forgotten his ticket.(1分)A、beforeB、whenC、thatD、after 答案 登录 注册 正确答案:C 出自:学起plus弘成 >> 山东第一医科大学2022年下半年英语2(本)在线考试