听下面一段对话,回答第26至30题。M：WhatcanIdoforyou?W：I'dliketobuyashi...
问题详情：听下面一段对话,回答第26至30题。M：WhatcanIdoforyou?W：I'dliketobuyashirtformysister.M：Whatcolourdoesshelike?W：RedM：Allright.Whatsizedoesshetake?W：LargeM：Whataboutthisone?W：MayItryiton?M：Certainly.W：Looka...