A teacher's________to the cause of education is worth great respect of the whole society because it brings countless benefits to the development of society.
Was it two years ago ________ they first met?
There was good food __________ abundance at the party.
It is very common that former soldiers have difficulty in ___________ civilian life.
After three years’ study, Jane got a ________ for teaching English.
He was generally _________ to be the finest poet in the land.