She fulfilled her ________ to become the first woman to run the 10 000 metres in under 30 minutes.

The head office of the bank is in Beijing, but it has ___ all over the country. 

It’s bad ____ for a man to smoke in the public places where smoking is not allowed.

Much to his joy, the old man may be able to get a hardship _____ from the government,   which covers his expense.

This chemical works _____.