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 ?