Could you tell us how long we're going to be away?为什么用how lo

Could you tell us how long we're going to be away?为什么用how lo 把Could you tell me?How long are we going to be away?改为宾语从句 Could you tell me how long you're going to be a_________ fro 为什么Could you tell us how long he has been away?和Could you te --"How long are you going to be away?"--"For_____" could you tell me __?B.how often you go to the mall D how lo Could you tell me how long it____to fly to Washington Could you tell me how long I can keep the book.为什么用I can 1·could you tell us【 how we can get to】 the museum?宾语从句简化【改括 Could you tell me __you will be away?----Only one week.1.how could you tell me how long you 'll( A leave B start off C be Tell us how things ued to be