My key are on the backpack 改为一般疑问句并作否定回答

My key are on the backpack 改为一般疑问句并作否定回答 The keys are in my backpack (改为一般疑问句,并作否定答语) My books are on the chair.（改为一般疑问句,并作否定回答) My parents are at home on Sundays?(改为一般疑问句,并作否定回答） his pencils are in the backpack 改为一般疑问句 并做否定回答 jim's keys are on the dresser 改为一般疑问句并作否定回答 There are some books on the desk.(改为一般疑问句,并作否定回答) 1.My CDs are in the drawer.改为一般疑问句,并作否定回答 They are on the dresser 变一般疑问句并作否定回答 怎么做还有These are my grand He has a nice backpack 改为一般疑问句并作否定回答 It is cold todoy .（改为一般疑问句,并作否定回答） Their rackets are （on the We are sad.改为一般疑问句,并作否定回答