—Goodmorning,sir.WhatcanIdoforyou?—Iwanttochangetheshoesmyfriendboughtyesterday.It’snotmysize.Q:Whatistherelationshipbetweenthetwospeakers? A: Theyarebossandsecretary. B: Theyarecustomerandwaiter. C: Theyareconsumerandshopassistant. D: Theyareteacherandstudent.

【单选题】--Waiter! ---_______? A. What sir B. Why sir C. Yes sir D. Hi sir

当UE过于接近NodeB时，其上行SIR和目的SIR描述正确的是（） A: 上行SIR会比SIR测试目的值大很多 B: 上行SIR会接近于SIR测试目的值 C: 上行SIR会比SIR测试目的值小很多

喂,你找谁?（） A: Hello,whoareyoulookingfor? B: WhatcanIdoforyou? C: Areyoulookingforanyone? D: Whoareyou?

请问您要点什么?请问您想买什么? A: WhatcanIdoforyou? B: MayIhelpyou? C: CanIhelpyou?

Mary:I’dliketobookatickettoBeijing.Bill:I’msorry.________________. A: Idon’tthinkso. B: Doyouwanttoleaveamessage? C: Theflightisfullybooked. D: WhatcanIdoforyou?

—    Theapplesarealreadysmelling.Youshouldn’thavechosenthatkindforme.—    _______. A: Oh,don’tcomplainaboutagift. B: What’swrongwithyou？ C: Sorry.I’llgiveyouabetteronenexttime. D: WhatcanIdoforyou？

Dear Sir

Whichlexicalcohesionstrategyhasbeenusedi....…SticktoFacts,Sir!’

Dear Sir or Madam