选择适当的句子补全对话,把句子编号写在横线上。 A: Good afternoon. Can I help you? B: 1. I want to buy a skirt. A: What colour do you like? B: Blue. 2. A: Here is a blue skirt. 3. B: It’s OK. But it’s too long for me. 4. A: Yes. What about this short blue skirt? B: I like it very much. 5. A: It’s 199 yuan. B: OK. 6. A: Thank you.