The old professor told us that every part of the materials should be made use of _____ the station.
The manager suggested the workers’ pay ______ by 10 percent.
The spokesman said that the poor safety standards were ______ for last Sunday’s accident.
It was ______ that caused her to serve dinner an hour later than usual.
Neither I nor Amy ______ to attend the business conference if we are busy.
Though David talked about the origins of ______ universe, I didn’t think what he said made ______ sense.