选择合适的句子补全短文，请将序号填到横线上。
A. You can finish the card later. B. The oranges are falling.
C. All the balloons are flying away. D.I will help you!
E. Who can come out to help me? F. Where's your mum?
Daming:
Simon: She's at the supermarket. She's buying things for your birthday party.
Daming: Oh! Am I going to have an American birthday this year?
Simon: Yes. And I'm making you a birthday card.
Mum: I can't carry them all!
Simon: Sorry, I can't. I'm making Daming's birthday card.
Daming:
Mum: Hold on to the balloons, please.
Daming: Oh no! I can't hold the oranges and the balloons!
Mum: Come on, Simon. We need your help!
Daming: Simon! Get the balloons.
Mum: Too late! But look at the sky!
Simon: Wow! The sky says, “Happy birthday, Daming!”