what were they doing when they ___ ___(听说)the event?
来源：学生作业帮助网 编辑：六六作业网 时间：2024/05/14 11:48:13
whatweretheydoingwhenthey______(听说)theevent?whatweretheydoingwhenthey______(听说)theevent?whatwerethey
what were they doing when they ___ ___(听说)the event?
what were they doing when they ___ ___(听说)the event?
what were they doing when they ___ ___(听说)the event?
heard about/of