Could you tell me （how much it cost）?这里的could什么时态?不是表示客气么?

Could you tell me （how much it cost）?这里的could什么时态?不是表示客气么? 宾语从句could you tell me how much do cabs cost Do it cost much money to fly to Beijing Could you tell me?（合 Could you tell me how much _____to fly China? Could you tell me how much it ____to fly to shanghai? Could you tell me how much it ____to fly to Hainan?A pays B 请问Could you tell me how much it casts to fly to hainan? Could you tell me how much it ______ to fly to Hainan? Could you tell me how to ________ it in English? 一句初三英语改句Could you tell me how much it costs to fly to Hainan could you tell me（）?It's on Green Street.A.how can I get to could you tell me a.how much does the elephant weigh b.how m