Is ____ your backpack No,it isn't .My backpack is big.That o
Is ____ your backpack No,it isn't .My backpack is big.That o
Is that your backpack?(做否定回答) No,it isn't 解析:
Is that a backpack?否定回答时一定要用No it isn't么?能用No it
Is that your backpack?Yes,it's ___ backpack.A his B her C my
It is my backpack _your backpack
Where’s the baseball?Is it in the backpack?No,it isn't .it's
That isn't my backpack改为复数
It isn't my pencilcase,but this is my backpack是什么意思?
Is this his backpack -no it is that green backpack to him最后为
Is that her backpack?No,I think ___his backpack.___上填it's还是i
( ) That isn't my backpack.It's____.A my brother B my brothe
Your backpack is