补全对话。
A. Happy birthday! B. I will help you. C. Sorry, mum. I can't. D. Who can help me? E. She's buying things for my birthday party. |
Sam: Where's your mum?
Jack: She's at the supermarket.
Sam: Can I come to your birthday party?
Jack: Of course, you can.
Mum: I can't carry the bags.
Jack: I'm making a birthday card.
Sam:
Mum: Thank you, Sam. Oh no, all the balloons are flying away.
Sam: But look at the sky. It says "".