王老师:19139051760(拨打)复制微信 题目 更新时间:2023/4/3 Nobody but Smith and John ( ) in the lab yesterday. A. were B. had been C. was be D. was 答案 登录 注册 D 出自:江开 >> 西北大学-大学英语 西北大学继续教育学院