“I did not go downstairs until the window had to be shut.”的倒

I didn't go downstairs until the window had to be shut.（改强调句 I didn't dare go downstairs until the windows had to be s___ I did not go to bed until my son had finished his homework.这 I did not go to bed until he came back the window in my room （will not） shut.so i have to get it re The window in my room will not shut,so I have to get it repa Not until i began to work did i realize how much time i had 英语句子的转换Not until I reached home did I realize that I had los i did not understand the problem until he had explained it.我 i did not understood the problem until he had explained it这句 i did not understood the problem until he had explained it. Not until I came home last night ( )to bed.A.Mum did go B.di