It takes a(an) ( ) amount of dedication, time and hard work to push through an idea or initiative that hasn't yet caught on.

(单选题)The father is ( ) his child for the low grade. It’s reall (单选题)As a scholar of high ( ), he made an indelible contributi (单选题)Since your actions pose a great threat to public safety, you (单选题)Having lived in the country for six years, he has got into t (单选题)The whole world is undergoing a revolution in which the cent (单选题)The president has long predicted that his policies will spur (单选题)For many years, fast-food franchises agreed not to ( ) on (单选题)He ( ) himself a superhero and goes out at night to catch (单选题)Experts warn that sharp currency decreases usually hurt cons (单选题)The labor movement marches forward with the same ( ) and