选择正确的句子组成对话。 A. What size? B. How much is it? C. Thank you. D. Can I help you? E. Is it all right? 1. _________________________ Yes, please. A dress for me. 2. _________________________ Small. 3. _________________________ It's ninety. 4. _________________________ Yes, I'll take it. 5. Here's the money. _________________________