填空并把句子变否定句,疑问句,并做两种回答.

Those are my sisters.
Thouse aren't my sisters.
Are those your sisters?
Yes,they are.
No,they aren't
This is your father.
This isn't your father.
Is this your father?
Yes,this is.
No,this isn't.
They like salad.
They don't like salad.
Do they like salad?
Yes,they do.
No,they don't.

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