The young man is ______ Edison in our factory and he has made ______ number of important inventions over the years.
If Joe’s wife won’t go to the party, ____.
After two years’ research, we now have a ____ better understanding of the disease.
____ he had not hurt his leg, John would have won the race.
We all know that, __________, the situation will get worse.
---The last one __________________ pays the meal. ---Agreed!