英语翻译I don't know when we shall leave for Nanjing.(翻译过来,并改为简单

We don't know when we shall leave for Nanjing. I don't know when we should leave for Nanjing. I don't know when we shall leave for Moon Bay.(改为简单句)为什么用to? I do not know when we shall leave for Nanjing. I don't know when we should leave for Nanjing.= I don't know when we shall start.(改为简单句) I don't know ____ _ I don't know when we shall meet again .(改为简单句） 英语翻译I don't know when( )for Shanghai.(leave) 1;I don't know when ( )[leave] for shanghai.2:改为间接引语：Maria a I don’t know when we shall start the work. 英语改写句子,急用I don’t know when i shall start the work （改为简单句）I d I don't know when we will begin the work.改为简单句.