I don't know when Jim _____.I'll meet him at the airport when he ____.A.will return；return B.returns；will return C.returned；returned D.will return；returns 说明原因喔

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 I really don't know when I will start my trip=I really don't know_ _ _my trip.