There is nothing in the backpack= There in the backpack

There is nothing in the backpack= There in the backpack There is nothing in the backpack.(同意句） There ___ ____ in the There is noyhing in the backpack改为同义句 It is in the backpack? there is an id card in the backpack.(变为一般疑问句）__ __ __id card (改为一般疑问句)my pen is in the backpack.(对in the backpack提问） 用there be句型改two books are in the backpack The pen is in the backpack对划线部分提问 My backpack is in the drawer改为一般疑问句 Is it in the backpack?做否定回答 Is his pencil in the red backpack 作否定回答 book,my,in,the,is,backpack如何合成一个句子?