As there was not much chance to find good jobs in their hometown, many young men now tried to _______ their fortune in cities.
—How was your examination?—It wasn’t very difficult,but it was__________long.
Anyone who has a _________of humor can get along well in__________society.
Doctors are still trying their best to__________the boy for his broken leg.
The United States has become a significant musical _________around the world.
The invention of_________ paper was a great contribution to________human civilization.