Mark was a student at this university from 1999 to 2003, ____ , he studied very hard and was made Chairman of the Students' Union.
The meeting achieved _______ a short statement, leaving many details to be worked out later.
Efforts to stop smoking in public areas _______ progress in Hangzhou in recent weeks.
Some economists predict that the dollar will remain weak _______ economies abroad are expected to grow faster than that of the United States.
Advertisers are increasingly cautious about taking out ads _______ children, and that is hurting children’s magazines.
Until the start of the Industrial Revolution, mankind was poor, hungry, and constantly at the _______ of disease and natural disasters.