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. (4.0分)4.0 分A、while B、before C、onceD、unless 答案 登录 注册 答案:B 出自:其他 >> 郑州航空工业管理学院-土木工程-公共英语(3)