从A—G中选出可以填入对话空白处的最佳选项，选项中有两项为多余选项
| A．I want to buy a hat for myself． B．How much is it? C．What colour do you want? D．What about this one? E．What size do you want? F．OK．Here you are． G．It’s beautiful, isn’t it? |
A: What can I do for you, Sir?
B: 1
A: For yourself? These are all for young people, 2
B: I like the blue one．
A: 3
B: Thank you． 4
A: One hundred yuan．
B: Oh, it costs too much,
A: 5 It is cheaper．It is only fifty yuan．
B: OK．I’ll take it．Thank you．
ACFBD