I didn't go downstairs until the window had to be shut”变强调句
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 didn't know the matter until you told me转化为强调句
I didn't go to bed until my father came back.came back可以用had
I didn't go to bed until I finished my homework 同义句 I went t
I didn't go to bed until i finished my homework改为同义句
I didn`t go to school until 10:00.改为倒装句
I didn't go to bed until ten o'clock改句
I didn't go to bed until he came back.
The boy didn't go to bed until his mother came back.同义句转换
The boy didn't go to bed until his mother came back同义句转换
i didn't go to see the film (because i had many things to do