1. 今天是大明的生日，小伙伴们来参加他的生日聚会。请选择合适的选项补全对话。

Daming: Welcome(欢迎) to my birthday party(聚会)!

Sam:

Daming: Thank you.

Sam:

Daming: Thank you. Is it a pen?

Amy: No.

Daming: Oh!

A. Thank you. B. What's this? C. Happy birthday, Daming. D. It's a pencil. E. Here's your present.