When are you leaving的答句为什么是i im leaving

When are you leaving的答句为什么是i im leaving -when are you leaving?-I'm leaving（）next weekend when are you london paris 为什么要填leaving,for when are you leaving?怎么完整回答 When are you leaving _____ Beijing 1.-When are you leaving for Beijing? When is your brother leaving home? 为什么是leaving? could you tell me when to leave为什么不是when you are leaving? "when are we leaving"为什么不是"when do we leave" can you tell me when are you leaving for Chendu? i want to know when are you leaving for shanghai.这句话哪错了 When are you leaving for Shanghai? Tomorrow. My train____tom