—I have to ask a(n) _____ of you because the luggage is too heavy for me.—Oh, with pleasure.

Having lost all their _____ in a big fire, the Blacks had to depend on their friends and relatives for a living.

The plan was so shallow and impractical that no serious _______ was ever made to realize it.

Patience is an important ____ of a happy and rewarding life. After all, some things are worth waiting for. 

China has got a good ______for fighting against the flu with its careful and smooth organization.