You must _____ a wide vocabulary if you want to learn a language well. 

The project will cost a lot of money but it will ____ the company in the long run. 

The factory has _____ workers due to the drop in sales, which will lead to an increase in unemployment. 

Computer power now allows automatic searches of fingerprint files to match a print at a crime ________.

After about one hour of the play between China and Korea, the ______ was 3-2 in our ______.