句型转换
That is my ruler. (改为复数句)
               my rulers.
His last name is Green.(对划线部分进行提问)
                   last name?
He is her uncle.(对划线部分进行提问)
                   is         ?
She is my sister.(改为一般疑问句)
                   your sister?
The pen is red.(对划线部分进行提问)
               is the pen?