That is an eraser.变否定句、 一般疑问句
That is an eraser.变否定句、 一般疑问句
that's an eraser ______ _____an eraser?(一般疑问句) this is a cup
There is a pen and an eraser in the box否定句和一般疑问句和a pen and a
Bob has an eraser.改为否定句 一般疑问句 做肯否定回答
That is his eraser改为一般疑问句
That is her eraser.改为一般疑问句
This is an eraser( (改为一般疑问句,并作否定与肯定作答)
It is an eraser .改为否定句
This is an eraser.(改为否定句)
are you sonla(做否定回答) that is my eraser(改为一般疑问句)
That is her eraser改为否定句
变一般疑问句,否定句,