At college, Barack Obama didn’t know that he the first black president of the United States of America.
_____ all the inventions have in common is ______ they have succeeded.
-We want someone to design the new art museum for us. -_____ the young fellow have a try?
- When he was a little boy,he ______ on the farm.
I’ll give the prize to _______ finishes the work first.
In the 16-19 age group,32 of women smoke ______ 28 of men.