these are your keys 改为单数句

these are your keys 改为单数句 Are these your keys?做否定回答 Whose keys are these? Are these your keys?做肯定 否定回答 are these your keys?用mikes作否定回答 Are these your keys的同义句是? Are these your() Yes,they are our school thingA cousin.B pencils.C bike keys whose keys are these?they are y什么 keys. These are keys?是疑问句吗 These are my keys.改成一般疑问句 what are these keys ( for 还是to These are her keys的同义句：These keys are（ ）. What _____ these keys?Are these yours?用介词填空 1.These are my friends.2.Those aren is jackets 3.Are they rulers?4.The keys are yellow.5.Are those your pencils?都改成单数句 Your keys are under the chair.提问 Are these your Are these your pencils? Are these books ( )(your)?