This is a black backpack改为同义句
This is a black backpack改为同义句
This is a blue backpack改为同义句
This is my backpack改为同义句
The black backpack is Tom's 改为同义句.
I know your backpack is black 改为否定句
英语 改复数句This is a pen.Is this your backpack?It's a black bag
This is a black coat.改为复数句
There is noyhing in the backpack改为同义句
That bag is black .改为同义句
The pen is black 改为同义句
Whose is that backpack?(改为同义句) _______ does that backpack __
This is my new backpack.改为复数句 They're my aunts.改为单数句 Those a