回答下列的问题？

this is my grandfather改疑问句

these are my sisters改否定句

is this bob改否定回答

is the boy your friend改肯定回答

that is my brother改复数句

连子成句：

not,friends,are,her,those

my,is,sister,alice,this

boy,her,is,brother,the

his,these,sisters,are,three

is,photo,here,family,her,the,of

Is this my grandfather?

these are not my sisters

is this bob改否定回答No,that isn't

is the boy your friend改肯定回答Yes,he is

those are my brothers

连子成句：

those are not her friends

this is my sister alice

the boy is her brother

these are his three sisters

here is the photo of her family