that is a blue quilt(肯定句)

问题描述:

that is a blue quilt(肯定句)
改为肯定句和否定句

That is a blue quilt
That isn't a blue quilt.
Is that a blue quilt?它身体好用英语说It is well.最后一个是 你的书是什么颜色What color is your book?