选择适当的句子。 A: Can I help you? B: May I have a jacket, please? A: 1. Look at this jacket. It’s blue. It’s cool. B: 2. A: What colour do you like? B: 3. A: Oh, I see. How about this one?It’s brown. B: 4. But it’s too small. 5. How much is it? A: 150 yuan. B: Here you are.