Those are their books.(保持句意不变)

These are their new picture book.保持句意不变 There are a lot of books and magazines on the shelf.(保持句意不变) Those are our books.变同意句 those are Chinese books.改成复数句 Are those your books的同义句 your,are,books,those连词成句 whose are those books?同意句转换 Those are nice books. ( 同义句转换) Are those their balls?的同义句 Are those their masks 同义句 those are their backpacks.变为否定句 连词成句：their,friend,are,those