补全对话：根据对话内容，在每小题的空白处填入适当的句子，使对话意思完整。
A: Hi, Mike. Good news for you.
B: __1__?
A: You won the first prize in the English competition.
B: Wow! I'm so glad to hear that. __2__?
A: Our English teacher did. She said three of the students in our class won the prize.
B: What about you?
A: __3__, too. I think I was lucky this time.
B: Oh, so great! Congratulations!
A: It's a great day for us today. Let's go out and relax ourselves, shall we?
B: Cood idea. But __4__?
A: To the park, OK?
B: All right. But I have to go home and tell my mother first. See you later.
A: __5__.
