How long could you waiting for me

How long could you waiting for me Could you tell me how long it____to fly to Washington Could you tell me(.A.who you are waiting for B.where you liv Could you tell me ____?A.who you are waiting for B.where you Sorry for keeping you waiting for me so long. ---_____ A.Don Sorry for keeping you waiting for me so long 用That‘s all 还是N 英语选择：-Sorry for keeping you waiting for me so long .-_______ I am sorry to keep you waiting for me for a long time who is waiting for you at the school gate?could you tell me could you tell me ---------?A where are you waiting for B wh Could you tell me who you are waiting for.为什么不是whom? could you tell me ---------?A who you are waiting for B who