12.He got well –prepared for the job interview, for he couldn’t risk _____ the good opportunity.
In the past few years the worked ___ a lot of suggestions but none of them was adopted.
It is ___ of him to go to work without breakfast.
He issued a/an ___ to us to settle the trouble in five days, but nobody accepted it.
In many people’s opinion, that company, though relatively small, is pleasant ___.
A great number of students ___ said they were forced to practice the piano.