—To attend a concert, you are expected to_______ your mobile phone. —Thanks for telling me about it....
2022-09-16 02:21:06 152次 山东省济南市历下区 2019-2020学年九年级上学期期末英语试卷 单选题 反馈错误 加入收藏 正确率 : 100%
题目内容：
—To attend a concert, you are expected to_______ your mobile phone.
—Thanks for telling me about it.
A.cut off B.shut off C.put off D.go off
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