直到我回家,妈妈才去睡觉 Mother ___ ___ to bed ___ I came back home.

题目

直到我回家,妈妈才去睡觉 Mother ___ ___ to bed ___ I came back home.

答案

--- Mother didn't go to bed untilI i came back home.
使用了not---until 句型 直到...才