用英语说：知道他妈妈回来,他才上床睡觉

用英语说：知道他妈妈回来,他才上床睡觉
用英语说：知道他妈妈回来,他才上床睡觉

用英语说：知道他妈妈回来,他才上床睡觉
He didn't go to bed until his mother came home.

是“直到”吗
He hadn't gone to bed until his mother came back.

He went to bed until know his mother come back.

he went to sleep when he knew his mother was came back

he didn't go to bed until his mother was coming.

He didn't go to bed until his mother came back.

He didn't go to bed until he knew that his mom came home.