3. Fill in the correct possessive pronoun. 1. “Whose is this? Is it ...?” “Yes, it's my pencil.” 2. “This is your house. It's ...” 3. “Are these her mother?” “Yes, they are ...” 4. “Is this your bike?” “No, it's my brother's. It's ...” 5. “Don't eat the baby’s biscuit, it's ...” 6. “Whose dirty shoes are these?” “They are the children's. They are ...”