l didn't know what to say中didn't为什么用过去式

l didn't know what to say中didn't为什么用过去式 I didn’t know I didn't know what was up?（同义句）I didn't know what （ ）（ I didn't know what （ ）（ 两种 l don't know 与l didn't know的区别如题 the man didn't know the way to the hotel ,and l didn't ______ 翻译 You didn't know what I was gonna say. Mosr of them didn't know what the teacher m____. he didn't know what to do .反义文句 my mother didn't,know《C what to do it 英语翻译she walked in and said she didn't want to know anymore anymore,anymore before I could ask why,she was gone out the door out the door,out the door I didn't know didn't know,didn't know what I'd done,but now I just can't move on since she l We didn't know what we should do next.We didn't know what __ __ next He didn't know what to do next.He didn't know what he ____ ____ next. My brother didn't know what he should say.(改为同义句)My brother didn't know what _____ _____. I didn't know how to do? I didn't know what to do? I didn't know that I do?这三句有什么区别啊? I don't know what you said还是don't改didn't? l didn't know which one I should choose.改为同义句:I didn't know which one ___ ___. What a surprise.I _____ know you ____ here in Wuhan?A.don't know,are B didn't know,wereC.didn't know,are i didn't know you had called the police before l came here为什么是didn't 而不是don't