After many years of hard work，the man has finally reached the stage________he has gained good fortune and social status

His health requires that he________ to bed early.

Everybody was touched _________ words after they heard her moving story

mazing it is that astronauts are exploring outer space!—It’s a challenge, I guess, ______ man against nature.

Sometimes we need both cultural________ andgovernment action—a change in values and a change in policy—to promote the kindof society we want.