It's Tom's birthday today. The children(孩子们) have a party. Helen, Ben, John and Nancy come to the party.
Helen & Nancy: Happy Birthday! This CD is for you.
Tom: Thank you.
John: Happy Birhday! This car is for you.
Tom: Thank you.
Ben: Happy Birthday! This pen is for you.
Tom: Thank you.
They sing "Birthday Song" together.
Mrs Lee: It's eight. Time to have the cake.
All: Wow, what a big cake!