- 问题详情:Whatcoloraretheirsweaters?Kate,Jim,RoseandBillputtheirsweatersonthetable.Thesweatersarewhite,blue,redandblack.Weknow,theboys’sweatersaren’tredandthegirls’sweatersaren’tblack.WhatcolorisKate’ssweater?Idon’tknow.ButIknowitisnotblue.Billsa...
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