Attention,please!All mobile phones must __ during the meeting.选项A turn B be turned off C are turn

分类: 作业答案 • 2022-02-27 13:58:07

问题描述：

答

B be turned off---------切断电源,关闭把题目帮我翻一下,请注意，会议期间请关闭所有的手机。