The medical reform in that country turns out to be ______ failure, but as we know, success often comes after ______ failure.
-Are you bored with working with children all day? -Bored? __________
Our government means to __________ the gap between the rich and the poor by increasing the tax on one's income.
As early as his second film, Chaplin had developed his own manner of acting, the one that __________ world famous.
The natural resources, such as mine, forest, and hydropower (水电)in that area have been __________.
The matter __________ to our study requires __________ with carefully.