从方框中选择恰当的句子补全对话。

A：Hi, Susan.

B：Great!

A：What did you do?

B：

A：Really? Can you tell me something about the activity?

B：Yes. The activity was in Huayu Bookstore. And people put all the postcards in a box. Then we took turns to read them.

A：

B：Yes. In this way，people can make new friends and hear interesting stories.

A：I also want to join in an activity like this.

B：There is an activity in the bookstore every month.

A：Sounds great.

A. I joined in an interesting activity(活动). B. How about going there together next month? C. How interesting! D. Everybody wrote a story on a postcard(明信片). E. How was your weekend?