—Who______ it be that is knocking at the door? —It ______ be Father, but I’m not sure.
It was _____ by the railway board that the cost of rail fares would be increased by ten percent.
Our Party has always devoted great attention to raising the living _____ of the working people.
The map was drawn to the standard _____ of 1/100,000, so there was not much detail.
Radar enables the pilot of an airliner to take off, fly and land in _____.
He's the kind of man who is fond of _____ compliments to other men's wives.