All his free time is ______ by volunteer work, but he feels it meaningful.
John shut everybody out of the kitchen ________ he could prepare his grand surprise for the party.
________ the police thought he was the most likely one,since they had no exact proof about it,they could not arrest him.
The medicine works more effectively ________ you drink some hot water after taking it.
Owen wouldn't eat anything ________ he cooked it himself.
You will be successful in the interview ________ you have confidence.