修改病句: They went to bed until their mother came home.

They didn't go to bed until their mother came home

这里是not...until词组,直到...才

They went to bed when their mother came home.

改为
They didn't go to bed until their mother came home.

顶白衣卿相CJ - 举人 四级 10-8 21:24的

They went to bed when their mother came home.
不知道对不 蒙地.

went 改为 didn't go