those hats are beautiful 改成复数句

those hats are beautiful 改成复数句 those are Chinese books.改成复数句 how beautiful those flowers are!(同义句) (1)This is Gina's sister.改成复数句 (2)Are those your friends?(作肯 Those are old libraries.改成单数句 Those are our hats.改为单数 Those are her trousers.(改成同义句)Those trousers are__. Those hats are too big for the girl.(改为同义句) Those hats are too big for the girls.(改为同义句） The purple skir Those are beautiful pictures. 'how beautiful those flowers are'的同义句 Is this a book 改成复数形式 Those are chairs 改成单数形式 What are these