my keys are in the backpack.一般疑问句

my keys are in the backpack.一般疑问句 The keys are in my backpack (改为一般疑问句,并作否定答语) My backpack is in the drawer改为一般疑问句 My dictionary is in the backpack.变一般疑问句 ,my computer game is in the backpack.改为一般疑问句. (改为一般疑问句)my pen is in the backpack.(对in the backpack提问） my keys are under the book(改为一般疑问句） My keys are on the table.改为一般疑问句 Their keys are in the schoolbag.（改为一般疑问句） These are my keys.改成一般疑问句 My key are on the backpack 改为一般疑问句并作否定回答 My books are in the backpack.