He has a keen sense of duty and responsibility.
The raw generation is very keen to get education.
A student who takes a keen interest in his studies, rises to some good position in life.
He is a keen cricket enthusiast.
I am very keen to do a film with him.
People who miss-spell words are usually those who are not keen observers.
She is keen to work with me.
He is keen on winning the championship.
He always possessed a keen desire to be adventurous.
He takes a very keen interest in his work.
He is keen to adopt abandoned kids.
I am keen to work with you.
He is always keen on delivering justice to the deserving.
I keen to promote this for you.
I am keen to work with you in this project.
I am keen on a career in the Army.
I keen to do well next time.
I am keen to utilize this for the welfare of the people.
I am not keen to do so.