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  • 科目:英语
  • 题型:单选题
  • 难度:较易
  • 人气:192

20. "What can I do for you?" or "May I help you?" is a pet phrase used by _____ .

A.an assistant engineer B.an assistant manager
C.a helper D.a shop assistant
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20.WhatcanIdoforyou?orMayIhelp