— My grandpa bought it for my sister and me. It's ________.
Your house is bigger than ______.—No, it isn't ________.It is Mary's.
—No, _______is over there. It must be Mike's.
—No, _______ is on the desk. It's _______ dictionary.
—Yes, it's (她的)。
—No, it isn't._________ is black.
—No, isn't. It's .
— It's .