告诉所有人员离开该区域( )
A.Tell all personnel to go away from the area, B.Alert personnel to leave area. C.Tell all person to leave the area.正确答案C
告诉所有人员离开该区域( )
A.Tell all personnel to go away from the area, B.Alert personnel to leave area. C.Tell all person to leave the area.正确答案C