It was evening _______ we arrived there.
_____ the different cultures, values and levels of economic development in China and the West, both sides should respect the diversity of their development paths.
It's not what you do once in ____ while but what you do day in and day out that makes ____ difference.
— Don’t be mad at me. I’m only five minutes late. — This is the last time I’m waiting for you._______.
______ he did not want to, he still had to share his hotel room with a stranger.
He said he would come to attend the lecture if he ___________ time.