We are leaving tomorrow and i haven't even started packing yet后面为什么用现在完成时?

we are leaving now. Tell he we are leaving. We are leaving for Changsha tomorrow Tell he we are leaving哪里有错 Now we are in Beijing.We are ______Beijing tomorrow. A.leaving B.leaving for when are we leaving为什么不是when do we leave are leaving tell we him 连词成句 (陈述句) we are leaving tomorrow?为什么可以用ING形式 We are leaving today,and see all you 翻译 Tell he we are leaving.错在那 We for___ Shanghai this coming weekend A.leave B.leaving C.are leaving D.left Now we are in Beijing.We are ______Beijing tomorrow.A.leaving B.leaving for不是说他们已经在北京了,明天要离开北京.不是leaving? How are we today?we are leaving,aren't 怎么翻译? The date we are leaving is July 2.同义句We are____on______. We are leaving at six in the morning and make sure you are there __time they are leaving for bejing.leaving for we are not leaving without you to have to hold神马意思? leaving him we tell are怎么组成一个英语句子谢了,快快带汉语