Despite their __________ of interest, Fleming kept trying to develop the chemical ___________ it would be safe and effective.
I've got a lot of books about basketball, _________ are signed by the authors themselves.
Our national team has lost to the team from Australia. It's no _________ that many fans look unhappy in the street.
The world's greatest sporting event, the Olympic Games, upholds the idea that _________ matters is not winning but participating.
_________ he steps on the stage, he will sing the song which madehim famous two years ago.
He is _________ in reading a wonderful novel recently.