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 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. I do not know what to do.同义句子I don't know_______ ______ _____ _____. 用英语解释句子I do not know when I want to sleep last night. In Fact,I still lovE You,do you Know?In Fact,I always cares for you,but you don’t know,and still hate me!Do you know?I’m very sad when i missing you everytime!I think i will being a crazier sometime,no ,not sometime,even when i get up tomorrow i I do not know any of them?I do not know any of them=I don't know any of them? I do not know when to leave 与Please turn off the light when leaving 的when的用法区别