Could you please tell me if the train has left?

你能告诉我火车是否已经离开了吗？

同一单元的其他句子

• Could you please tell me where the nearest bank is?你能告诉我最近的银行在哪里吗？
• I wonder if you could show me how to get to the library.我想知道你是否能告诉我怎么去图书馆。
• Could you please tell me what time the movie starts?你能告诉我电影什么时候开始吗？
• She asked if I could help her with her homework.她问我是否能帮她做作业。
• Could you please tell me where I can buy some stamps?你能告诉我在哪里能买到邮票吗？