She rose from being a _______ to become a superstar.

Helping others is a habit,     you can learn even at an early age.

People think that the beauty of the mountains is great than ___________ of the desert.

Liu Xiang’s breaking the record in the Asian Games was an exciting moment, ______ all of us will never forget.

 — It is a pity that we have nothing to refer to when we come across new words.— I quite agree with you. There isn't any dictionary around when we need ______.