题目内容
[音频]•20.A)Stateyourproblemtotheheadwaiter B)Demandadiscountonthedishesordered. C)Asktoseethemanagerpolitelybutfirmly. D)Askthenameofthepersonwaitingonyou.21.A)Yourproblemmaynotbeunderstoodcorrectly. B)Youdon'tknowifyouarecomplainingattherighttime. C)Yourcomplaintmaynotreachthepersonincharge. D)Youcan'ttellhowthepersononthelineisreacting.22. A)Demandapromptresponse. B)Provideallthedetails. C)Senditbyexpressmail. D)Sticktothepoint.
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