______ we deal with our problems ,wecan easily become unhappy.

The _______ income of the common people has beengreatly increased in the past thirty years ______ the reform and opening-uppolicy in China.

There seems to be two causes as I try to figure out __________ that prevents so many children from being as happy as before.

This is not my story, nor ______ the whole story. My story plays out differently.

Why is Ms．White not happy –Some people speak in the library and it is so ________．