Public service ads, also PSAs, often _________ for free, _________ to educate people about health, safety or any other problem that affects public welfare.
When college students _____ future employment, they often think of status, income, and prestige.
And you find that you're not to be _____ with a position of real responsibility.
The patients believe that the doctor knows exactly how to put them _____.
Comrade Li Dazhao, _____ librarian of Beijing University, was one of the founders of the Chinese Communist Party.
We won't know whether it will be successful. We won't know whether there will be good _____.