题目

从A---G选项中选出能填入空白处的最佳选项，补全对话（有两项多余）。（A man wants to buy a ticket at the station. M is for man. A is for assistant.） A: Good morning! Can I help you, sir? M:   【小题1】    Could you tell me the time of the last train to Beijing this evening? A: There’s one at 8:30. But I’m afraid all the tickets have been booked already. M:   【小题2】   A: The first train leaves at 9:15. M:   【小题3】   A: It arrives at 12:30. But may be a little late because of the bad weather. M: OK!  【小题4】  A: Eighty yu把8%，507%，12.5%化成小数．