作业帮What were they doing when the UFO l_____?
来源：学生作业帮助网 编辑：作业帮 时间：2024/05/06 16:49:18
What were they doing when the UFO l_____?
What were they doing when the UFO l_____?
What were they doing when the UFO l_____?
landed
landed/left
left
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来源：学生作业帮助网 编辑：作业帮 时间：2024/05/06 16:49:18
What were they doing when the UFO l_____?
What were they doing when the UFO l_____?
What were they doing when the UFO l_____?
landed
landed/left
left