补全对话 。 Mrs Brown= A Salesman= B A: Good morning! B: Good morning! Can I 1. _____you? A: Yes, 2. _____ I 3. _____ to B: Come this way. Here are 4. _____ buy a sweater. A: How 5. _____ is this white one? B: 56 dollars. A: It's 6. _____ expensive. B: 7. _____ about this one? A: I don't like the 8. _____ Let me B: That's cheap. It's only 20 dollars. 9. _____ a look at that blue one. A: OK. I'll 10. _____ it.