Facts prove that the world’s economic development is not a win-lose game but one in which all ______ be winners.
You'd better make a mark _____ you have any questions.
I like ______ of the two stories, for this story is _____ than that one.
Our English teacher _____ by the teachers and students.
Only a fool enjoys _____ in public.
_____ at the news that I didn't know what to say to comfort her.