1, he didn't arrive at the scene until the badminton match was over. What happened in the end, everyone wants to know.

Up to now, I don't know if he will have a whim.

It was not until yesterday that I understood whether his heart was true or not.

I didn't understand the meaning of this sentence until yesterday.

I didn't put down my brush until the last moment, but what happened?

6. Don't give up until the last moment. What will happen?

7. I didn't realize the importance of a serious attitude until I succeeded.