【福建省厦门市2015年中考英语试题】根据对话情景，填入适当的单词（每空一词，每词一分，共5分）
A: Excuse me. Could you help me?
B:        . What can I do for you?
A: Well, I’d like to exchange this CD.
B: What’s wrong         It?
A: My grandson gave it to me as a birthday       . It’s his favorite music… but it’s too         for me. I want something quieter.
B: I’m really sorry, but there are no exchange on CDs after they’ve been        .