补全对话

A: Lisa, how was your trip last weekend?

B: I had a great time in the Green Park.

A: Who did you go there with?

B:

A: What did you do in the park?

B:

A: Were there many people in the park?

B: We saw many students there.

A:

B: They sang and danced.

A: Sounds interesting!

A. Yes, there were. B. It was great. C. My friends. D. What did they do? E. No, we weren't. F. We arrived there at ten o'clock. G. We rode bikes and played some interesting games.