It is my backpack _your backpack

It is my backpack _your backpack Not ,is ,my,it,backpack(連詞成句) it is my backpack(改为否定句) it（ ）my backpack. not,is,my,it,backpack 连词成句 Is ____ your backpack No,it isn't .My backpack is big.That one is small.填this还是that 初一句型转换.This is my cup -this-cup? It is my backpackIt-my backpack It's my backpack.对my backpack提问KUAIDIANA It is in the backpack? It is in the backpack? It isn't my pencilcase,but this is my backpack是什么意思? on,Tv,my,is,and,under,table,the,backpack,is,it,the 怎么连成一句话 It's my backpack.改成一般疑问句 It's my backpack.改为复数形式 This is my pencil.（改为复数句） It's his backpack.（改为复数句） Where is my backpack?下半句是什么? This is my backpack.改成复数形式 This is my backpack改为同义句 his backpack 改一般疑问句It's his backpack 改一般疑问句His telephone number is 535-2375 改一般疑问句This is my grandmother 改否定句