In societies where social roles are determined, boys usually copy the behavior of their fathers, and girls ___of their mothers.
—How often do you eat out? ________, but usually once a week.
There are certain _______when you have to interrupt people who are in the middle of doing something.
It’s bad ____ for a man to smoke in the public places where smoking is not allowed.
Yao Ming as well as his teammates ______ hard to win honor for China these years.
His composition was so confusing that I could hardly make any ________of it what’s over.