--- He worked out such different questions at a very young age.--- Oh, he ______ a very smart student then.
It’s said that in the sea the fisherman caught a big fish ________.
He is often listened __________ English songs, but this time we had him _________ a Russian song.
Five years later, he returned home, his character greatly _________.
Victor apologized for _________ to inform me of the change in the plane.
All the people present agreed that the matter required ___________.