[9급 지방직 영어 2013년 17번]

There's nothing wrong with wanting to be with those you're comfortable with; it becomes a problem when your group of friends becomes so exclusive that they begin to reject everyone who isn't just like them. It's kind of hard to value ____________ in a close-knit clique. Those on the outside feel like second-class citizens, and those on the inside often suffer from superiority complexes.