is backpack my in lost and found the case 连词成句

(改为一般疑问句)my pen is in the backpack.(对in the backpack提问） It is my backpack _your backpack 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. My backpack is in the drawer改为一般疑问句 My english book is in the backpack 改否定句 book,my,in,the,is,backpack如何合成一个句子? My s___ID card is in the backpack.怎么填? My pen is in my backpack.变为一般疑问句,—— —— pen in your backpack? It is in the backpack? It is in the backpack? my book _____ in my backpack. the,computer,game,in,my,backpack,is（.） how,my,book,about（?）连词成句 That is a backpack in English .(划线提问)提问backpack is backpack my in lost and found the case 连词成句 问问英语题——连词成句.book,my,in,the,is,backpack. My books are in the backpack. Where is my backpack?下半句是什么?