补全对话
根据下面的对话情景，在每个空白处填上一个适当的句子，使对话的意思连贯，完整。（每小题2分，共10分）
A：It’s a nice day.
B：Yes, it’s a beautiful day.
A:  Are there so many people here all the time?
B: ___________________________. This is my first time here.
A:  Me, too. I think this is a great place.
B:  Yeah, I think so too.
A: ______________________________________?
B:  I’m visiting from London. How about you?
A _______________________________________.
B:  That’s cool. Are you having a good time?
A:  Yes. There are many things to see and I’m taking a lot of pictures.
B: _________________________________________?
A:  For two weeks, I went to San Francisco and Los Angles. I want to see the Yellow Stone National Park before I leave.
B: __________________________________________.
A:  Oh, my friends are waiting for me. I hope you enjoy your stay here.
B:  Thank you. It was nice meeting you.