【单选题】
Its ( ) that he has been away from home.
【单选题】
The company has a primary task to ( )its brand name and improve its brand names attractiveness.
【单选题】
With the rapid development of the economy, all ( ) of our life have changed.
【单选题】
Nancy was the only woman to()the experiment and was among the few volunteers who died from it.
【单选题】
The policemen( ) many cases by following the footprints left at the scene of crime.
【单选题】
His final success ( ) his years of hard work.
【单选题】
This machine is extremely ( ) because it runs on half-price electricity.
【单选题】
More local ( )will be created, particularly in service industries.
【单选题】
Doctors should ( )prevention of diseases rather than cure.
【单选题】
The ( )to her success is her confidence and persistence.