We haven’t settled the question of __________it is necessary for him to study abroad.
The microphone enabled them to keep in touch, in other words, it made it _____ for them to contact each other.
It was clear that the small grocer was _____ people he owed money to.
The map was drawn to the standard _____ of 1/100,000, so there was not much detail.
It was _____ by the railway board that the cost of rail fares would be increased by ten percent.
What makes the space shuttle _____ is that it takes off like a rocket but lands like an airplane.