【答案解析】{{B}}Sample A{{/B}} Could you allow me to go to the conference, please. I am very interesting in sales and it should be an advantage for my career. If you agree, I could go by car with my colleague to reduce the cost. Thanks {{B}}Band 4{{/B}} Although this response achieves the three content points, the reader would be unsure which conference is being referred to. {{B}}Sample B{{/B}} Dear Mr Carpenter, I would like required you attention on the sale conference in New York next month. In fact I think I could meeting own customers and make discover the new technologies of the laboratory. I know you a reduce of cost policy, but if I take a old charter and I stay one day-in order to two days and that I launch a sandwich. {{B}}Band 2{{/B}} All the content points are attempted, and achieved to some extent, but overall the message is inadequate.