新概念英语（1-19）Tired and thirsty
Why do the children thank their mother?
A:What's the matter, children?
B:We are tired... and thirsty, Mum.
A:Sit down here.
B:Are you all right now?
A:No, we aren't.
B:Look!There is an ice cream man.
A:Two ice cream please.
A:Here you are, children.
B:Thanks Mum.
B:These ice creams are nice.
A:Are you all right now?
B:Yes, we are thank you!