用not until或until改写句子

问题描述:

用not until或until改写句子
1.I didn't go to bed the TV play was over.
2.We waited at this bus stop,The NO.5 bus came.
3.The boys and girls didn't stop making noise.The teacher entered the classroom.
4.I kept silent,The teacher asked me.
5.I kept nothing about it.He told me

1.I didn't go to bed until the TV play was over.
2.We waited at this bus stop until the NO.5 bus came.
3.The boys and girls didn't stop making noise until the teacher entered the classroom.
4.I kept silent until the teacher asked me.
5.I didn't know anything about it until he told me