题目：
根据对话情景。填入恰当的单词。(每空一词。每词1分。
A: Can I help you, madam?
B: Yes. I 1._________ this T-shirt here yesterday. But I found something 2._________
on it when I got home.
A: You should have looked it over carefully yesterday 3._________ you paid for it.
B: I wish to change (换) it for a clean one.
A: I'm sorry, but we've sold out all T-shirts 4._________ this.
B: Then I'll change it for another 5._________ of T-shirt or get my money back.
A: Sorry, madam. We can do neither of them. I think we can only try to 6._________ it for you.
B: Well , I should speak to your manager. Please get him for me.
A: OK, wait a moment. I'll go and see if he is free.
答案：
1. bought 2. dirty 3. before/when 4. like 5. kind 6. clean
