I don't know when leave 还是I don't know when to leaf

chinese shu ru fa mei le.i don't know why it mei le.chinese shu ru fa mei le.i don't know why it mei le. I don't know when ( ) famous I don't know when leave 还是I don't know when to leaf I don't know when I have been loving 改错 I don’t know when will they come I don’t know when we shall start the work. 英语翻译I don't know when( )for Shanghai.(leave) when it left scars can heal~i don't know~ But I don't know when he---------(go to bed) I don't know. “i don't know you know i don't know i don't know when the managerI don't know when the manager -----(return),but when be ----(come)back i ---(let)you know. I don't care when you leave because you don't know cherish me 什么意思 ? I don't know when we shall start.(改为简单句) I don't know ____ ____ ____. I don't know when we should leave for Nanjing.I don't know when______ _________ __________Nanjing I don’t know when he (arrive). When he (arrive) here, I will call you. I don't know when he ____,I must talk to him when he____.(come) I don't know when I can (arrive)I don't know when I can (arrive) at the hospital用所给词的适当形式填空