Today impressionist paintings are accepted as the beginning of ______ we call “modern art”.
He never __________ to help those in trouble because he was a kind-hearted man.
This naughty boy is really __________, which makes his mother upset.
We prefer to measure our football team's success __________ the number of fans attending rather than the number of games won.
__________ in thought, he almost ran into the car in front of him.
__________ in 1636, Harvard is one of the most famous universities in the United States.