问题
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客房如长时间挂“请勿打扰”牌,服务员应()。A.开门察看B.敲门询问C.报告上级D.报告保安部
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Not always()they want (to)A.people can do whatB.can people do whatC.people can not do wh
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The ________ face sends a strong emotional message: “Do Not Disturb,”a subtle sign us
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“请勿大声喧哗”的“大声”指()A 音质B 音高C 音强D 音长
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A.to not makeB.not to makeC.make notD.do not make
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客人需要打扫 但房门上亮着“请勿打扰”指示灯 应()