选择：whose sports shoes _ -Peter's.A:are they B:are there C:is it选哪个?为什么?我感觉选B是错的,但说不出理由

根据意思选择Whose sports shoes ____?A are these B is this C are there 英语翻译Many sports shoe advertisement____ _____ _____ at young people. 提问这双鞋是谁的?whose shoes are these ,还是whose shoe is this? two pairs of sports shoe 里的 shoe 为什么是单数?I'd like to buy two pairs of sports shoe. shoe 为什么是单数?我知道sports shoe 是固定搭配.但是我还是想不明白:shoe 是可数n,two pairs of...为什么还用单数?还有 shoe ,to ,wear ,sports,have ,gym ,you ,class ,have ,for 连词成句紧急THANKS 面包店 bakery bread shop哪个对 运动鞋 sneaker sports shoe 哪个对、 面包店 bakery bread shop哪个对 运动鞋 sneaker sports shoe 哪个对、 选择：whose sports shoes _ -Peter's.A:are they B:are there C:is it选哪个?为什么?我感觉选B是错的,但说不出理由 名词做定语的名词用单数还是复数?好象一般都是说用单数形式吧?但是为什么运动鞋sports shoe的sport用复数鞋店 shoe store的shoe是单数 You must show my wife the same respect_you shoe me.Awhen B as C whose D what 填空》很多运动鞋广告是特别针对年轻人做的Many sports shoe advertissements（ ）（ ）（ ）at yong people although many students like to watch sports ,game shoe are the most popular的同义句急 whose Whose Whose ______this pair of sports shoes?横线里填is还是are Whose sports shoes ------?Peter's.a.it is b.are these sports sports.