It is an eraser .改为否定句
It is an eraser .改为否定句
This is an eraser.(改为否定句)
it is her eraser改为否定句
i have an eraser.改为否定句
That is her eraser改为否定句
It is an orange改为否定句
It is an apple改为否定句
It is my eraser.改否定句
It is an eraser?
It is an eraser.
Is your last name Green?(改为否定句) It is her red eraser(改为同义句)
That is an eraser.变否定句、 一般疑问句