问题 更新时间2023/4/3 12:59:00 They had talked only for a few minutes ________ they found they were of different opinions.(3.0分)3.0 分A、whileB、beforeC、onceD、unless 答案 登录 注册 答案:B 出自:超星 >> 郑州航空工业管理学院公共英语1