Definition: until a particular time, state or level is reached Level: B1
距离那场大型音乐会只剩下三天了。
We have just three days ___to the big concert.
壶里的水加热到了沸点。
The water in the kettle heated ___to boiling point.
一晚好觉让他恢复到了精力充沛的状态。
A good night's sleep restored him ___to full energy.
