把It's my backpack.改为否定句
把It's my backpack.改为否定句
it is my backpack(改为否定句) it( )my backpack.
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)
it' s a backpack.(改为复数句)
It's my pencil sharpener.改为否定句.
It's my pencil case 改为否定句
It's my backpack.对my backpack提问
It is his backpack改否定句
It's my birthday today改为一般疑问句.肯定回答.否定回答.否定句
This is my backpack改为同义句
That`s my brother.改为否定句