Once you are ________ to smoking, it is difficult to give it up.

 Some people are good at _____ voices on the phone while others ______.  

Tony can hardly boil an egg, still ________ cook dinner. 

 The company saw it as part of its social ______ to provide education for its workers.

Economic growth in the world remains weak throughout 2013 and it is hoped that it will___gradually in 2014.