These are your books.(改为单数)

Are these books ( )(your)? John,are these books----(your) Are they your books?还是Are these your books?为什么? these are (they)books.those are (your) These are your books.变一般疑问句 are these your books?改为单数形式 Are these your books?肯定回答 These are your books.(改为单数) These are------------ your books中间是什么 Are these your books?作否定回答 These are your English books.（改为同义句）These _____ _____ books are______ . English your these books are 连词成句 求Are these your books?的同义句 These are ()() my books. These books are _____. Are these your books?No.O______ books are in the classroom. these aren't your books.they are (o )books.根据所给首字母填空 （ ）（ls this/are these）your picture books?yes（ ）（ls this/are these）your picture books?yes,( )(it.is/they are).填空