3．
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。
A: Good morning, Sarah! You always walk with Cindy but where is she?
B:
A: I'm sorry to hear that. Did you fight?
B: No, we didn't.
A: How could that happen? You are best friends.
B: I think best friends should understand each other,
A: Could you please tell me what happened?
B: She asked me to see a movie with her tomorrow afternoon, but I refused.
A:
B: Because I promised to visit the museum with Kate.
A:
B: Yes. But she didn't listen to me. She said I didn't treat her as well as before.
A: Maybe she just wanted to stay with you.
B: But I also need some other friends to be around me.
A: That's really a problem.
