We have every reason to believe that our business has shown a(n) ____ to improve.

A good husband must know how to ____ his ideas to his wife.

It is widely reported in the western media that the drug ______ is now becoming a leading cause of teenager crimes.  

He lost all his ______ in the big bush fire.

—Hi,Magarette! You are in perfect        .
—I always do exercise to keep fit.

There are_____that high school cheating may be on the rise.

New ________ show that the economy of our country is continuing to grow.

There is no _______ in persuading him to give up computer games.

As the quality of the city’s air continues to give rise to ______, the residents are encouraged to set off fewer fireworks.

Please don’t ask me to solve mathematical problems; they are beyond my ____.