根据对话情景，用恰当的语句完成对话。

A: Hi, Bob. Good news for you.

B: ?

A: You won the first prize in the English competition.

B: Wow! I'm so glad to hear that. ?

A: Our English teacher did. She said that some of our students in our class won the competition.

B: What about you?

A: too. I think I was lucky this time.

B: So great! Congratulations!

A: It's a great day for us today. Let's go out and relax ourselves, shall we?

B: Good idea. But ?

A: To the park. OK?

B: All right. But I have to go home and tell my mother first .See you later.

A: