—I am six.
—I am nine years old.
—I am seven.
—I am ten years old.
—I am eight years old.
Mike & John: Happy birthday, Sarah!
Sarah: Thank you!
Mike: How old are you?
Sarah: I'm nine.
Mike & john: These(这些)are for you—cake, two kites and some dolls(玩具娃娃).
Sarah: Thank you. How many dolls?
John: Four.
Sarah: Let's eat the cake!
Mike & John: Great!