these are their books .用whose提问

These are their -(book) These are their new picture book.保持句意不变 These are their balls. Whoes _____(book) are these These are our oranges. Those are()(their) these are their gloves (同义句） these--------are------- These are my book同义句 her these are book 连词成句 these are their friends. [改为一般疑问句】 these are their books .用whose提问 these are their parents(改为一般疑问句) 英语翻译可不可以是are these their desks? These are their watches改为同义句 Are those apple?No,[they these their] These are their footballs改为同义句 these are their parents 同义句 these.are.caes.their 怎样排成疑问句 These are their books的同义句