It was not until midnight____ they reached the camp site.

He ______hope he will win the game. 

Hong Zhanhui never gives up trying. It is the love and responsibility _______ has driven him to go through hardships and survive in life.

It was because of his illness _____ the meeting had to be put off.

—_____bargaining is so interesting?—Sometimes it is a test to see who stand their ground for the longest.