Translation of "keenly" into French

I thank you warmly for the friendly words you addressed to me, which I felt keenly.

Je vous remercie vivement des paroles aimables que vous venez de m’adresser et auxquelles j’ai été très sensible.

I sense keenly the responsibility of speaking to you.

Je ressens fortement la responsabilité que j’ai de vous parler.

This was by far the most keenly scrutinized as well as the most contentious issue during the discussion.

Cette question est incontestablement celle qui a été la plus âprement discutée et la plus controversée.