23．It is______ you’re tired; you’ve been walking for hours．

The heroic story that the university student had saved a peasant’s life hit the ________ in China Youth Daily.

Speaking of what sort of smartness is most desirable in human __________，a friend of mine told me a story.

The manager spoke highly of such ___________ as loyalty, courage and truthfulness shown by his employees.

The house was sold for $60,000, which was far more than its real ____.