27I wonder whether the police ______ that lost child or not

It seems that people are becoming more and more selfish.—How much happier life would be if we ________to the values of the past!

Is there a post office near here — ____ .

The money collected should be made good use_______ the people in South Asia who suffered a lot in the earthquake and the tsunami (海啸).

Great changes __ in the city in the past 20years, and a lot of factories ____.