一道改错题.Those their photos were chosen the best were given unexpected prizes .为什么要把 Those 改成 Whose?

一道改错题.Those their photos were chosen the best were given unexpected prizes .为什么要把 Those 改成 Whose? Those are their teacher改错 Those are their books.(保持句意不变)是一道填空题：Those ______ are theirs. What are those?There are their school clothes(改错）谁会‘‘? These who have plenty of money will help their friends 改错these改为those 为什么 those are shoe改错 改错题 They keep their room opened. 一道英语短文改错题, 改错题一道求解释 单句改错 There are less students in our school than those of their school.请简单阐述理由，谢谢。 定语从句的一道题These who have plenty of money will help their friends.为什么不能用these而要改为those? Are those your ruler?改错 Are those chinese bus?改错 一道英语改错题.Some children live far away from their schools needn't to go to school every day now.They can study at home. Everybody does their own work well.这是一道改错题,请高手给个确切的答案,到底是哪里出错了, 一道英语句子改错,快啊.Mr Wang teaches their Chinese. Those are their parents.翻译 英语改错题I brother liake their English teacher