With a lot of difficult problems_____, the newly-elected Prime Minister will have a hard time.

All her time ________ experiments, she has no time for films.

He refused to sell the old house, for it had too many pleasant ________with his childhood. 

With the price _______ so quickly, I find 1,000 yuan a month can hardly cover the cost of living.

It was a pity that the great writer died ______ his work unfinished.