句型转换。（每小题2分）
My  jacket  is  black.(对划线部分提问)
               is your jacket?
That’s my father.(一般疑问句)
              your father?
Is Mike your brother?(做肯定回答)
Yes,                .
Are they your grandparents？(作否定回答)
No,              .
This is  her pencil case.(对划线部分提问)
              this ?