请指出下列单词划线部分发音与其它单词不同的选项。(共5小题,每小题0.5分)
-- Do you know _her mobile phone? 一 No, I think it cost her around 4000 yuan.
--You know a lot about Chinese history, don't you? --Yes, IChina for a long time since 1998.
--Cathy, could you come to our art club tomorrow? --.
-Why not _the party till tomorrow? We have an exam today. --No problem. See you then.
-Is it polite to speak or laugh loudly? -No, I don't think so.