课文内容：
MOTHER: What's the matter, children?
GIRL: We're tired …
BOY: … and thirsty, Mum.
MOTHER: Sit down here.
MOTHER: Are you all right now?
BOY: No, we aren't.
MOTHER: Look!
There's an ice cream man.
MOTHER: Two ice cream please.
MOTHER: Here you are, children.
CHILDREN: Thanks, Mum.
GIRL: These ice creams are nice.
MOTHER: Are you all right now?
CHILDREN: Yes, we are, thank you!