it is a backpack in english 的特殊疑问句 ,a backpack 划线

it is a backpack in english 的特殊疑问句 ,a backpack 划线 That is a backpack in English .(划线提问) Is that a backpack in English?Yes,it is .___ __. This is a backpack in English（同上） Your English book is in your backpack.__ and read it.A.Take It is in the backpack? It is a backpack... __ __ ___ ___[变为一般疑问句】 this is a blue backpack改为一般疑问句 Is that your backpack?Yes,it's ___ backpack.A his B her C my This is a backpack.（对.backpack提问） It is my backpack _your backpack (改为一般疑问句)my pen is in the backpack.(对in the backpack提问）