do not know when i will be back may be the end of next week

I do not know I do not know I do not know when we shall leave for Nanjing.I do not know _____ _____ leave for Nanjing. When is the meeting?I do not know.（连成一句） I do not know ____ ____ ____ ____ . When shall we meet?I do not know(合为一句) I do not know ___ ___ meet Know?I would like you just do not know when you have learned to understand it 请问 I DO NOT KNOW sorry,i do not know! Why I do not know 翻译Really angry,I still when do not know,see what you can do.  陈述句语序一I do not know when he will come back.二I do not know when will he come back.哪个对? I do not know when we shall leave for Nanjing.I do not know when ____leave for Nanjing.改简单句 you certainly do not know ,I think you when he came to tear .you certainly do not know ,I think you when he came to tear 谁知道. 用英语解释句子I do not know when I want to sleep last night. I do not know when to leave 与Please turn off the light when leaving 的when的用法区别 I do not know how to do do not know when i will be back may be the end of next week I do not know when to calm翻译成中文是什么意思