Duty is an act or a course of action that people ____ you to take by social customs, law or religion.
We trust you; only you can ______ him to give up smoking.
Beyond the river_____.
The president said the report didn’t ______ his new own ideas.
The whole book he wrote_____ three parts, it’s mainly about Ming Dynasty.
With few people _____ pigs, the price of pork______..