补全对话。 A. Could you tell me where they are? B. Oh, that's too bad. C. What are you looking for? D. Can I help you? E. That's very kind of you. Miss Gao: Good morning. 1. Jenny: Yes, please. I want some CDs of English songs. 2. Miss Gao: Oh, let me help you. They are on the second floor, in Row Five. Let me take you there. Jenny: 3. But I can find them myself. (A moment later, Jenny goes back.) Jenny: Here you are, Miss Gao, I want to borrow these two CDs. Miss Gao: OK. No problem. 4. Jenny: I'm looking for my library card. But I can't find it. Miss Gao: 5. I'm sorry. I can't give you the CDs if you don't have a library card.